We provide data handling practice exercises, instructions, and a learning material that allows learners to study outside of the classroom. We focus on data handling skills mastery so, below you will get all questions that are also asking in the competition exam beside that classroom.

#### List of data handling Questions

Question No | Questions | Class |
---|---|---|

1 | The total production during the months of April, May and June of the three items ( A, B ) and ( C ) are in the ratio: ( A cdot 7: 5: 7 ) B. 7: 4: 4.5 ( mathbf{c} cdot 7: 4.5: 4 ) D .4 .5: 6: 5 ) | 8 |

2 | The data on the mode of transport used by 720 students are given below: Mode of transport Bus Cycle Train Car Scooter Number of students 120 180 240 80 100 Represent the above data by a pie chart. | 8 |

3 | LAPITULLUTTAVAA On throwing a dice once, the probability of occurence of a composite number is | 8 |

4 | The following data gives the amount of loans (in crores of rupees) disbursed by a bank during some years: Year ( begin{array}{lll}1992 & 1993 & 1994 \ 4 & 19999 & 193end{array} ) Loan(in crores 33 55 of rupees) With the help of the bar graph, indicate the year in which amount of loan is not increased over that of the preceding year. | 8 |

5 | Study the following information carefully and answer the questions given below. The sub divided bar diagram given | 8 |

6 | The following table gives the route length (in thousand kilometres) of the Indian Railways in some of the years: Year ( begin{array}{lll}1960- & 1970- & 1980-end{array} ) is and 61 Route length (in ( quad ) 56 ( quad ) 60 thousand kilometres) Represent the above data with the help of a bar graph. | 8 |

7 | Which of the companies shows the maximum percentage difference in sales turnover between the two years? Sales Turnover of 5 Companies (in Rs A. Honda B. GM c. Hyundai D. Maruti | 8 |

8 | Study the bar graph representing the number of persons in various age groups in a town shown in above fig. Observe the bar graph and answer the following questions: Whether the population in general increases, decreases or remains constant with the increase in the age- group. | 8 |

9 | 60. The average of x numbers is y and the average of y numbers is x?. So the average of all the num- bers taken together is x3 ty (1) x + y (2) xg x2 + y2 x+ (4) xy2 + yx? | 7 |

10 | Observe the histogram and answer the questions i below. Number of Girls of Class VII — 125 130 135 140 145 150 155 160 Heights in cm → (1) What information is being given by the histogram? (ii) Which group contains maximum girls? (ii) How many girls have a height of 145 cms and more? (iv) If we divide the girls into the following three categories, how many would there be in each? 150 cm and more-Group A 140 cm to less than 150 cm-Group B Less than 140 cm—Group C Aoroun of 360 neople were asked to vote for their favourite | 8 |

11 | A selection test was given to a group of 50 students. The test was completed by them in the follow nts. The test was completed by them in the following times (in minutes) 38, 40, 42, 41. 39, 27, 28, 26, 30, 42, 41, 43, 45, 46, 37, 37, 43, 44, 49, 36, 31, 32, 33, 35, 48, 43, 49, 36, 49,4 36, 37, 38, 40, 39, 41, 42, 45, 47, 48, 45, 39, 38, 37, 40, 29. Prepare a grouped frequency table taking class intervals 25 – 30,30 – 35 etc. | 8 |

12 | The adjoining bar graph shows the numbers of book sold by a bookstore during 5 consecutive years. Read the bar graph and answer the following question: About how many books were sold in | 8 |

13 | The bar graph shown in above figure represents the circulation of newspapers in 10 languages. study the bar graph and answer the following question: Find the excess of the number of newspapers published in English over those published in Urdu. | 8 |

14 | Out of every Rs. 10,000 spent during the decade ( 2001-2010 ) approximately how much was the GDP of Russia during the half decade ( 2001-2005 ? ) GDP of Various Countries A. Rs. 700 B. Rs. 1,400 c. Rs. 2,800 D. None of these | 8 |

15 | Q Type your question the following information carefully and answer the questions given below. The sub divided bar diagram given below depicts the result of Class XII students of a school for three years. The number of students passed with second class in 2000 is what percent of number of students passed with first class in 2002? A. 50% B. 62.5% c. ( 45 % ) D. 70.5 | 8 |

16 | Read the above bar graph and answer the following question Which state is the largest producer of | 8 |

17 | The incomplete graph shows Dinesh’s savings from January to April. Dinesh saved a total of Rs. 730 during the four months. The amount of money saved in February was as much as that saved in March. How much did he save in March? A . Rs.245 B. Rs.275 c. Rs.250 D. Rs.295 | 8 |

18 | The number of cars sold of a company in different months in a city are given below: Months Jan April June Aug Sep Dee No. of cars sold 200 500 250 300 400 450 Represent the above information by a pictograph. 11 | 8 |

19 | 6. Represent the following data by a pie-diagram Expenditure Items Family A Family B Food | 4000 6400 Clothing 2500 4800 Rent 1500 3200 Education 400 1000 Miscellaneous 1600 600 Total 10,000 16000 | 8 |

20 | 2. Column-I Column-II (A) Raw data can be presented (p) circle graph through (B) Histogram is a type of (q) class – interval (C) Data can also presented using (r) observation (D) A group into which the raw grouped data frequency data is candensed is called as distribution (E) Each numerical figure in (t) Bar diagram a data is called an | 8 |

21 | The following table shows the interest paid by a company (in lakhs): 1996- ( quad 1997 ) Year Interest in lakhs 25 of rupee Draw the bar graph to represent the above information. | 8 |

22 | What is the average sales of all the branches (in thousand numbers) for the year ( 2000 ? ) A . 73 B. 80 ( c cdot 83 ) D. 88 | 8 |

23 | avui giapil Imusliale Il. The number of hours for which students of a particular class watched television during holidays is shown through the given graph. Answer the following. (1) For how many hours did the maximum number of students watch TV? How many students watched TV for less than 4 hours? (iii) How many students spent more than 5 hours in watching TV? Number of students → 1 2 3 4 5 6 7 Hours of TV watched per day → | 8 |

24 | 3. Druwa vai gi apie IUI We dove data. Study the bar graph and answer the following questions: 120 110+ Number of families → VA 1 2 3 4 5 6 7 5 9 10 Number of members per family- Bar graph of the number of families with different number of members per family in a locality (1) What information is given by the bar graph? (ii) How many number of families having 4 members? (ii) How many members per family are there in the maximum number of families? | 8 |

25 | number is the same as that or getting an vuu numo In a pie chart two or more central angles can be equal. 1 . timo Not in | 8 |

26 | 5. Represent the following data in tabular form: Dance 90° Drama 90° Debatel 27° N.C.C chl 18°540 810 Speech Sc.Club Total students = 80 | 8 |

27 | An experiment whose outcomes cannot be predicted exactly in advance is called a experiment. τα τα . . 1 1.1 tomes are | 8 |

28 | Study the bar graph representing the number of persons in various age groups in a town shown in Fig. 23.9 Observe the bar graph and answer the following questions: What is the percentage of the youngest | 8 |

29 | Choose the correct answer from the alternatives given: Directions for questions 71 to 75 : Study the following graph carefully and answer the questions given below. What is the average number of tyres of | 8 |

30 | The following table shows the interest paid by a company (in lakhs): 1995- ( quad 1996-quad 1997- ) Year ( quad 96 ) Interest in lakes 20 25 of rupees) Draw the bar graph to represent the above information. | 8 |

31 | The bar graph as shown in above fig. represents the circulation of newspapers in 10 languages. study the bar graph and answer the following question: What percent is the number of news | 8 |

32 | f the percentage production of ( P ) type cars in 2001 was the same as that in ( 2000, ) then the number of ( P ) type cars produced in 2001 would have been? A ( cdot 1,40,000 ) В. 1,32,000 ( c cdot 1,17,000 ) D . 1,05,000 | 8 |

33 | Construct a frequency distribution table for the following weights (in grams) of 35 mangoes, using the equal class intervals, one of them is 40-45 (45 not included). 30, 40, 45, 32, 43,50,55,62,70,70,61, 62,53,52,50, 42,35,37, 53, 55, 65, 70, 73, 74, 45, 46, 58, 59, 60, 62,74,34, 35, 70,68. @ How many classes are there in the frequency distribution table? (i) Which weight group has the highest frequency? | 8 |

34 | The circle graph represents a total of 240 animals. The shaded area represents the number of monkeys. How many of the animals are monkeys? Monkeys 330° | 8 |

35 | Directions (72-75) : The follow- ing pie-chart shows the marks scored by a student in different subjects – viz. Physics (Ph). Chemistry (Ch), Mathe- matics (M), Social Science (SS) and English (E) in an examination. Assum- ing that total marks obtained for the examination is 810, answer the ques- tions given below. SS 90° 55° 60° E 70° Ch Ph 72. The difference of marks between Physics and Chemistry is same as that between (1) Chemistry and Social Science (2) Physics and English (3) Mathematics and English (4) English and Social Science othemat- | 8 |

36 | 52. The average of the first fifteen natural numbers which leave a remainder 1 when divided by 5 is (1) 40 (2) 41 (3) 39 (4) 42 | 7 |

37 | раппоспат апрс пн арс опис по пп. Histogram is a bar graph with no ….. between the bars. 11antinn af automes in an eyneriment | 8 |

38 | 8. … 9 In toss of a coin, all possible outcomes are head and tail. . In a histogram for each class a rectangle is constructed 3 | 8 |

39 | What is the percentage increase in the production of Company Y from 1996 to ( 1999 ? ) ( A cdot 30 % ) B. ( 45 % ) ( c cdot 50 % ) D. 60% | 8 |

40 | The given bar graph shows the number of matches played by different teams. Read the bar graph and answer the questions How many matches did both India and Bangladesh play? ( A cdot 34 ) B . 22 ( c .38 ) D. 40 | 8 |

41 | 66. The mean of 50 numbers is 30. Later it was discoverd that two entries were wrongly entered as 82 and 13 instead of 28 and 31. Find the correct mean. (1) 36.12 (2) 30.66 (3) 29.28 (4) 38.21 | 7 |

42 | In which subject he scored minimum marks? A . Hindi B. English C. Science D. Social studies | 8 |

43 | State whether true or false. The maximum number of tickets sold is three times the minimum number of tickets sold. lotteries sold by an agent on a day ( 4 . ) True B. False | 8 |

44 | Which year exhibited the highest growth in FDI in India over the period shown? Trends of FDI in India ( mathbf{A} cdot 1993 ) B. 1994 ( c cdot 1995 ) D. 1996 | 8 |

45 | caauty mauvanvors vaillud When a dice is rolled, the six possible outcomes are in tancad is | 8 |

46 | Study the bar graph representing the number of persons in various age groups in a town shown in Fig.23.9. Observe the bar graph and answer the following questions: What is the total population of the town? | 8 |

47 | Study the following graph carefully and answer the question given. In which of the following pairs of companies the difference between average productions for the three years is maximum? A. E and B. D and C ( c ). E and ( c ) D. A and E | 8 |

48 | The following data give the amount of loans (in crores of rupees) disbursed by a bank during some years: Year 1992 ( quad 1993 quad 1994 quad 1995 ) Loan (in crores ( 28 quad 33 quad 55 ) of upee Represent the above data with the help of a bar graph. | 8 |

49 | The following data gives the amount of manure (in thousand tonnes) manufactured by a company during some years: Year ( begin{array}{ll}text { 1992 } & text { 1993 } quad 1994 \ end{array} ) Manure in thousand tonnes Indicate with the help of the bar graph the year in which the amount of manure manufactured by the company was maximum. | 8 |

50 | 17. shows 2 In a dice, the one face shows 4, then its opposite face shows 2. fanin oll nogihle outcomes are head and tail. n toss of | 8 |

51 | Read the bar graph shown in Fig. 23.10 and answer the following question: State whether true or false: The number of commercial banks in | 8 |

52 | CUOLALAN 10. An experiment whose outcome is sure is called a certain experiment | 8 |

53 | Study the bar graph representing the number of persons in various age groups in a town shown in above fig. Observe the bar graph and answer the following questions: What is the total number of persons living in the town in the age-groups 50 ( 55 ? ) | 8 |

54 | If India FDI from OPEC countries was proportionately the same in 1992 and 1997 as the total FDI from all over the world and if the FDI in 1992 from the OPEC countries was Euro 2 million. What was the amount of FDI from the OPEC countries in ( 1997 ? ) Trends of FDI in India A . 1 в. 10.72 ( c cdot 11.28 ) D. 11. | 8 |

55 | 61. The mean of 20 items is 55. If two items 45 and 30 are removed, the new mean of the remaining items is (1) 65.1 (2) 65.3 (3) 56.9 (4) 56 | 7 |

56 | What is the difference between the production of Company ( Z ) in 1998 and Company Y in ( 1996 ? ) A. 2,00,000 tons B. 20,00,000 tons c. 20,000 tons D. 2,00,00,000 tons | 8 |

57 | The given bar graph shows the favourite breakfast items of the students of Class V. Read the bar graph and answer the questions Which two breakfast items are equally | 8 |

58 | In which year was the percentage increase in production as compared to the previous year the maximum? enlizer A . 2002 B. 2001 ( c cdot 1997 ) D. 1996 | 8 |

59 | 60. If the mean of 4 observations is 20, when a constant ‘C’ is added to each observation, the mean becomes 22. The value of C is : (1) 6 (2) -2 (3) 2 (4) 4 | 7 |

60 | Study the bar graph representing the number of persons in various age groups in a town shown in Fig. Observe the bar graph and answer the following questions: What is the total number of persons living in the town in the age-group 50 ( 55 ? ) | 8 |

61 | the given statements is true or false. (P) ( C ) recycled more newspapers than ( D ) (Q) ( mathrm{B} ) recycled 80 bunches of newspaper more than ( mathbf{A} ) (R) In all 5 hundred bunches of newspaper were recycled. (S) The ascending order of the newspaper recycled by schools is ( mathrm{D}, mathrm{C} ) ( A, B, E ) ( begin{array}{llll}text { (P) } & text { (Q) } & text { (R) } & text { (S) }end{array} ) A. True True False False B. True True False True c. False True False True D. False False True True | 8 |

62 | The bar graph shows the amount of money donated by 4 classes to a charity How much more money must Class ( 4 P ) donate so that their amount is the same as that of class ( 4 S ? ) A. Rs. 20 B. Rs.60 c. Rs. 40 D. Rs.100 | 8 |

63 | What is the percentage change in the overall sales turnover of the five companies together between 2001 2002 and 2002 – 2003? A . 17.21% B. 14.68% c. 12.67% D. 21.24% | 8 |

64 | 1. Define the equally likely events. | 8 |

65 | 10. An operation which can produce some well defined outcomes is called an … | 8 |

66 | Each outcome or a collection of outcomes in an experiment makes an | 8 |

67 | 3. Form a discrete frequency distribution from the following scores: 15, 18, 16, 20, 25, 24, 25, 20, 16, 15, 18, 18, 16, 24, 15, 20, 28, 30, 27, 16, 24, 25, 20, 18, 28, 27, 25, 24, 24, 18, 18, 25, 2016 15, 20, 27, 28, 29, 16. | 8 |

68 | Given above is the bar graph indicating the marks obtained out of 50 in mathematics paper by 100 students. Read the bar and answer the following questions: What is the number of students belonging to the highest mark group? | 8 |

69 | 720 The following histogram depicts the marks obtained by 45 students of a class: Number of studnets-> 0 10 20 30 40 50 60 70 80 Marks Look at the histogram and answer the following questions: (i) What is the class size? (ii) How many students obtained less than 10 marks? (iii) How many students obtained 30 or more marks but less than 40? (iv) What is the interval of highest marks and how many students are there in this interval? (v) If passing marks are 30, what is the number of failures? n in 10 20 0 20 70 80 So class size = 10. | 8 |

70 | The shoppers who come to a departmental store are marked as: man (M), woman (W), boy (B) or girl (G). The following list gives the shoppers who came during the first hour in the morning WWWGBWWMGGMMWWWWGBMWBGG MWWMMWW WMWB WGMWWWWGWMMWWMWGW MGWMMBGGW Make a frequency distribution table using tally marks. Draw a bar graph to illustrate it. | 8 |

71 | Choose the correct answer from the alternatives given. Directions for questions 71 to 75 : Study the following bar-graph and answer the questions What is the ratio of highest consumption in the year 2012 and 2013 respectively? A . 7: 6 B. 6: 7 ( c cdot 7: 2 ) D. 14: 1 | 8 |

72 | 10. Mathematics Find the probability that a number selected at random from the numbers 11 selected at random from the numbers 1 to 25 is not a prime number when each of the given number is equally likely to be selected. Also find the probability of not get Also find the probability of not getting a prime number. | 8 |

73 | 2. Give two example of a random experiment. | 8 |

74 | 60. Mean of 10 numbers is 30. Later on it was observed that numbers 15, 23 are wrongly taken as 51, 32. The correct mean is (1) 25.5 (2) 32 (3) 30 (4) 34.5 | 7 |

75 | 9. Tally marks are used to find …….. en which can produce some | 8 |

76 | How much is the total saving of Saroj in the months March and April? | 8 |

77 | From the bar graph What is total no. of students in class VIII? A . 45 B. 185 c. 215 D. 245 | 8 |

78 | The expenditure (in 10 crores of rupees) on health by the Government of India during the various five year plans is shown below: Plans: ( I I quad I I I ) Expenditure on health in 10 crores 23 of rupees Construct a bar graph to represent the above data. | 8 |

79 | Choose the correct answer from the alternatives given. Directions for questions 71 to 75: Study the following bar-graph and answer the questions. The total units consumption in the year | 8 |

80 | The following data gives the amount of loans (in crores of rupees) disbursed by a bank during some years: Year ( begin{array}{lll}1992 & 1993 & 1994 \ 4end{array} ) Loanfin crores 28 33 of rupees Represent the above data with the help of a bar graph. | 8 |

81 | Study the following graph carefully and answer the question given. The total number of all the three types of tyres manufactured was the least in which of the following years? A . 1995 B. 1996 ( c .1992 ) D. 1994 | 8 |

82 | O on PC 13. The following pie chart represents the distribution of proteins in parts of a human body. What is the ratio of distribution of proteins in the muscles to that of proteins in the bones? Muscles Ski Harmones Enzymes and other proteins Bones | 8 |

83 | The two years between which the rate of change of cellular phones is minimum are? A . 1997 and 1998 B. 1999 and 2000 c. Both option (A) and (B) D. 2001 and 2002 | 8 |

84 | 53. The average income of 40 per- sons is Rs. 4200 and that of an- other 35 persons is Rs. 4000. The average income of the whole group is : (1) Rs. 4100 (2) Rs. 4106 (3) Rs. 4106214) Rs. 4108 | 7 |

85 | Choose the correct answer from the alternatives given: Directions for questions 71 to 75: The | 8 |

86 | Study the bar graph representing the number of persons in various age groups in a town shown in the above fig. Observe the bar graph and answer the following questions: What is the number of persons in the | 8 |

87 | The given bar graph shows the demand and production of colour T.Vs of five companies. What is the difference between average demand and average production of the five companies taken together? A. 1400 в. 400 ( c cdot 280 ) D. 138 | 8 |

88 | Given above is the bar graph indicating the marks obtained out of 50 in mathematics paper by 100 students. Read the bar and answer the following questions: What is the number of students getting less than 20 marks? | 8 |

89 | How many teachers are more than 35 years old? ( A ldots ) B. 5 ( c cdot 10 ) D. 2 | 8 |

90 | 9. The following Table shows the total power shortage in India from 1991-1997. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis. S. No. Year Shortage (%) 1991 1992 1993 1994 1995 79 78 7.4 1996 1997 | 6 |

91 | Read the bar graph as given in above figure and answer the following questions: Which Doordarshan centres are in U.P. State? What are the areas covered by them? Bar of | 8 |

92 | 67. A girl was asked to multiply a number by instead she di vided the number by and got the result 15 more than the correct result. The sum of the digits of the number was (1) 4 (3) 6 (2) 8 (4) 11 | 7 |

93 | What is the percentage increase in the number of students in 2002 over 2000? Number of students who qualified CATIXAT/CET Fxams A . 30% B. 17.64% c. ( 117.6 % ) D. 85% | 8 |

94 | In a hypothetical sample of 20 people, the amount of money in thousands of rupees) with each was found to be as follows: 114, 108, 100,98, 101, 109, 117, 119, 126, 131, 136, 143, 156, 169, 182, 195, 207,219, 235, 118. Draw a histogram of the frequency distribution, taking one of the class intervals as 50 -100. | 8 |

95 | Read the bar graph shown in given fig. and answer the following questions How many tickets of Assam State Lottery were sold by the agent? Bar graph of the tickets of different state lotteries sold by an agent on a day. | 8 |

96 | Given below (Fig. 23.11) is the bar graph indicating the marks obtained out of 50 in mathematics paper by 100 students. Read the bar and answer the following questions: Every student belonging to the highest mark group is entitled to get prize of Rs 10. How much amount of money is required for distributing the prize money? | 8 |

97 | Sita practiced piano for 2 hrs everyday during the month of January. How many hrs did she practice in January? (Use bar model for solving the sum) | 8 |

98 | 73. From the sine table, given be- low : 0 6 12 18 24 30 364 55° 1.8192.8202 .8211.8221.8231.8241.8251| Mean Difference , 3 , , 5 , , L LIT 2 4 , 5 2 , 3 7 , 8 The value of sin 55°25′ is : (1) 0.8215 (2) 0.8233 (3) 0.8216 (4) 0.8218 | 7 |

99 | 3. Draw a pie-chart of the data given below. The time spent by a child during a day. Sleep – 8 hours School – 6 hours Home work – 4 hours Play – 4 hours Others – 2 hours | 8 |

100 | Column-I Column-II (A) Sum of all central angles in nt (B) Chance of being Friday (q) 1 tomorrow, if today is Saturday (© Probability of getting 2 when (1) No a die is thorwn (D) Probability of getting 9 when () 360° a die is thrown (E) Probability that a number less (t) 0 than 7 will apppear on the top if a die is thrown | 8 |

101 | 8. The distribution of weights (in kg) of 50 students in a class is as following: Weight 35 – 38 38 – 41 41 – 44 44 – 47 47 – 50 No. of students 3 13 19 10 5 (a) Find the lower limit of the class 44-47. (b) Find the upper limit of the class 38-41. (c) Find the size of the class intervals. (d) How many students weight less than 41 kg ? (e) How many students weight less than 47 kg? (Find the mid value of the class intervals 41 – 44 and 47 – 50. | 8 |

102 | The number of books issued from a library in five days is given below. Represent the information in the form of a bar graph | 8 |

103 | 6. A dice has 6 faces. | 8 |

104 | 66. Among three numbers, the first is twice the second and thrice the third. If the average of the three numbers is 49.5, then the diſ- ference between the first and the third number is (1) 54 (2) 28 (3) 39.5 (4) 41.5 | 7 |

105 | The bar graph as shown in above fig. represents the circulation of newspapers in 10 languages. study the bar graph and answer the following question: What is the total number of newspapers published in Hindi, English,Urdu, Punjabi and Bengali? | 8 |

106 | 1. The pie chart shows the number of participants from four schools A, B, C and D taking part in a tennis tournament. Given that there are 12 participants from school D. Find the number of participants from school C. y to | 8 |

107 | 1. The given a The given data is the marks obtained by 25 students in a class test 29, 31, 41, 53, 61. 64.70.56.28 88_53. 56. 31. 53, 64, 56, 32, 53, 56, 61, 53, 74. 33. Find (i) the maximum marks obtained (ii) the minimum marks obtained (iii) the range (iv) the mean marks dar ure met the marks as Sol Arron gi | 8 |

108 | 64. If out of 10 selected students for an examination, 3 were of 20 years, age, 4 of 21 and 3 of 22 years, the average age of the group is (1) 22 years (2) 21 years (3) 21.5 years (4) 20 years | 7 |

109 | (1) T OO Given below is a frequency distribution table. Read it and answer the questions that follow: Class Interval Frequency 10 – 20 5 20 – 30 10 30 – 40 40 – 50 15 50-60 12 4 1) What is the lower limit of the second class interval? (i) What is the upper limit of the last class interval? (i) What is the frequency of the third class? (iv) Which interval has a frequency of 10? (v) Which interval has the lowest frequency? (vi) What is the class size? la | 8 |

110 | The ratio between the difference between the highest and the lowest of the surplus countries to the difference between Bangladesh and Oman is? A. 3.44 B. 2.96 ( c cdot 4.5 ) D. 3.83 | 8 |

111 | From 2011 to ( 2016, ) find the difference between the total number of people who preferred to play Basketball and Badminton (in millions)? (Preferences of people in playing different games over the years. A . 525 В. 275 ( c .730 ) D. 250 | 8 |

112 | The foreign exchange reserves in 1997 98 was how many times that in 1994 ( 95 ? ) A. 0.7 B. 1. ( c cdot 1.4 ) D. 1.5 | 8 |

113 | 1. How will you proceed to draw a Histogram? | 8 |

114 | 1. For the development of basic infrastructure in a district, a project of 108 crore approved by Development Bank is as follows: Item Head Road Electricity Drinking Sewerage Water Amount in 43.2 16.2 27.00 21.6 crore (*) Draw a pie chart for this data. iad ant to find the favourite beverage | 8 |

115 | sem in the following times in minute (10) Mean marks = number of observations = 25) =55 A selection test was given to a group of 50 students. The test was completed by them in the following times (in 30, 40, 42, 41, 39, 27, 28, 26, 30, 42.41. 43, 45, 46, 37, 37, 43, 44, 49, 36, 31, 32, 33, 35, 48, 43, 49, 36, 29, 31.37.2 36, 37, 38, 40, 39, 41, 42, 45, 47, 48, 45, 39, 38, 37, 40, 29. rrepare a grouped frequency table taking class intervals 25-30, 30-35 etc. 29.31,32,34,44, | 8 |

116 | Read the bar graph shown in Fig. and answer the following questions: What is the information given by the bar graph? Bar graph of the number of commercial banks in India during some years. | 8 |

117 | 3. Sum of central angles in a pie chart is ….. | 8 |

118 | 5. What is the difference between Bar graph and Histogram? In a survey 240 narents of a middle school were asked | 8 |

119 | Choose the correct answer from the alternatives given. Study the graph and answer the questions In case of which soft drink was he | 8 |

120 | In what ways is the bar graph better than pictography. | 8 |

121 | Read the following bar graph (Fig. 23.12) and answer the following questions: State each of the following whether true or false The number of government companies | 8 |

122 | Out of the total number of student who opted for the given three subject, in the year ( 2009,38 % ) were girls. How many boys opted for mathematics in the same year? ( mathbf{7} ) ( mathbf{M}_{mathbf{a}} ) ( mathbf{A} cdot 1322 ) B. 1332 ( mathbf{c} cdot 1312 ) D. Cannot be determined E. None of these | 8 |

123 | Given above fig. is the bar graph indicating the marks obtained out of 50 in mathematics paper by 100 students. Read the bar graph and answer the following question: t is decided to distribute work books on mathematics to the students obtaining less then 20 marks, giving one workbook to each of such students. If a work book costs Rs.5, what sum is required to buy the work books? | 8 |

124 | Read the following bar graph and answer the following question: Which state is the largest producer of rice? | 8 |

125 | The average of the total deficit of the middle five deficit is closest to the deficit of which country? A . Korea B. South Africa ( c cdot ) UAE D. None of these | 8 |

126 | In a study of number of accidents per day, the observations for 30 days were obtained as follows: 4,3,5,6,4,3,2,5, 4, 2, 6,2,1,2,2 0,5,4,6,1,3,0,5,3,6, 1,5,5, 2,6. Prepare a frequency table. | 8 |

127 | Read the bar graph given in above fig. and answer the following questions: What was the expenditure on health and family planning in the year 1982 ( 83 ?(text { in crores }) ) Bar graph of the ex health and family planning during the Sixth Five Year Plan in India | 8 |

128 | Given the marks scored by Rita’s out of ( 100, ) in five subjects in a particular test. ( begin{array}{ll}text { Subject } & text { Marks } \ text { English } & text { 78 } \ text { Hindi } & text { 72 } \ text { Maths } & text { 96 } \ text { Science } & text { 88 } \ text { s.st } & text { 80 }end{array} ) Can we draw the bar graph for above data? If yes enter 1 else 0 | 8 |

129 | The frequency distribution of weights (in kg) of 40 persons of a locality is given below: Weights 40 – 45 45-50 50-55 55-60 60-65 (in kg) Frequency 4 12 13 6 (1) What is the upper limit of the fourth class interval? (i) Find the class marks of all the classes. (mi) What is the class size of each class interval? (iv) Which class interval has the highest frequency? | 8 |

130 | 68. The average age of 45 persons is decreased by year when one of them having 60 years is replaced by a new comer. Then the age of the new com- er is : (1) 45 years (2) 55 years (3) 59 years (4) 49 years | 7 |

131 | Study the bar graph representing the number of persons in various age groups in a town shown in Fig. 23.9 Observe the bar graph and answer the following questions: What is the total number of persons living in the town in the age-groups 10 15 and ( 60-65 ? ) | 8 |

132 | The production of saleable steel in some of the steel plants of our country during 1999 is given below: Plant ( quad ) Bhilai ( quad ) Durgapur ( quad ) Rourkel | 8 |

133 | The following data gives the number (in thousands) of applicants registered with an Employment Exchange during. [ 1995-2000 ] year 1995 ( quad 1996 quad ) 1997 Number of applicants registered 20 24 in thousands Construct a bar graph to represent the above data. | 8 |

134 | The production of saleable steel in some of the steel plants of our country during 1999 is given below: Plant ( quad ) Bhilai Durgapur ( quad ) Rourke | 8 |

135 | 57. A student finds the average of 10, 2-digit numbers. If the dig- its of one of the numbers is in- terchanged, the average increas- es by 3.6. The difference be- tween the digits of the 2-digit numbers is (1) 4 (2) 3 (3) 2 (4) 5 | 7 |

136 | 1. Name the three types of graphs to represent the statistical data. | 8 |

137 | Choose the correct answer from the alternatives given : Directions for questions 71 to 75: The | 8 |

138 | A survey was carried out to find the favourite beverage preferred by a certain group of young people. The following pie chart shows the findings of this survey From this pie chart answer the following: 0 Which type of beverage is liked by the maximum number of people. ) If45 people like tea, how many people were surveyed? Nothing 5% Milk Cald drinks 4096 Tea 1596/ Coffee 3096 | 8 |

139 | The given graph shows the number of toy cars some children have. Who has thrice as many toy cars as the total number of toy cars Samay and Kiara have? A. Trishu B. Kiara c. Pratik D. samay | 8 |

140 | The following table gives the route length (in thousand kilometres) of the Indian Railways in some of the years: Year ( begin{array}{lll}1960- & 1970- & 1980-end{array} ) is and 61 Route length (in ( quad ) 56 ( quad ) 60 thousand kilometres) Represent the above data with the help of a bar graph. | 8 |

141 | What was the percentage increase in production of fertilizers in 2002 compared to that in ( 1995 ? ) enlilizers b A . 320% B. 300% c. 220% D . 200% | 8 |

142 | The following data gives the amount of loans (in crores of rupees) disbursed by a bank during some years: Year ( begin{array}{lll}1992 & 1993 & 1994 \ 4 & 19999end{array} ) Loan in crores 28 55 of rupees Represent the above data with the help of a bar graph. | 8 |

143 | Read the bar graph given in fig. and answer the following questions: In which year is the increase in expenditure maximum over the expenditure in previous year? What is the maximum increase? Bar graph of the expend health and family planning during the Sixth Five Year Plan in India | 8 |

144 | 9. In a histogram, for each class a rectangle is constructed with base as size of the class. | 8 |

145 | 57. The average run of a player is 32 out of 10 innings. How many runs must he make in the next innings so as to increase his av- erage by 6? (1) 38 (2) 40 (3) 6 (4) 98 | 7 |

146 | Read the bar graph shown in given fig. and answer the following questions Of which state were the minimum number of tickets sold? Bar graph of the tickets of different state lotteries sold by an agent on a day. | 8 |

147 | Study the bar graph representing the number of persons in various age groups in a town shown in Fig.. Observe the bar graph and answer the following questions: What is the age-group of exactly 1200 | 8 |

148 | 2. Difference between upper limit and lower limit of a class is called class…. | 8 |

149 | Study the following graph carefully and answer the question given What was the difference between the number of B type tyres manufactured in ( mathbf{1 9 9 4} ) and ( mathbf{1 9 9 5} ? ) A .1,00,000 B. 20,00,000 c. 10,00,000 D. 12,50,000 | 8 |

150 | The total number of outcomes when a coin is tossed is | 8 |

151 | Given below (Fig. 23.11) is the bar graph indicating the marks obtained out of 50 in mathematics paper by 100 students. Read the bar and answer the following questions: What is the number of students getting marks between 9 and ( 40 ? ) | 8 |

152 | 53. The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is (1) 30 (2) 34 (3) 24 (4) 44 | 7 |

153 | Study the bar graph representing the number of persons in various age groups in a town shown in Fig. Observe the bar graph and answer the following questions: Whether the population in general increases, decreases or remains constant with the increase in the age- group | 8 |

154 | The following bar graph (Fig. 23.14) represents the heights (in ( mathrm{cm} ) ) of 50 students of Class XI of a particular school. Study the graph and answer the following questions: State whether true or false: The number of students in the class having their heights less than ( 150 mathrm{cm} ) is 12. A. True B. False | 8 |

155 | 4. For the following frequency distribution, draw a histogram. Class-interval Frequency 0-5 I 2 5 – 10 10-15 15 – 20 10 20 – 25 8 25 – 30 18 What is the diffarance between Barranhand Histogram? | 8 |

156 | The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions. (1) In which subject did the student score 105 marks? (Hint: for 540 marks, the central angle =360°. So, for 105 marks, what is the central angle?) (ii) How many more marks were obtained by the student in Mathematics than in Hindi? (ii) Examine whether the sum of the marks obtained in Social Science and Mathematics is more than that in Science and Hindi. (Hint: Just study the central angles). S.Science Mathematics 9001 800 Science English Hindi in nhort gives the eynenditure (in nercentage) | 8 |

157 | 4. During the medical check-up of 35 students of a class, their weights were recorded as follows: Weight (in kg) Number of students Less than 38 Less than 40 Less than 42 Less than 44 Less than 46 14 Less than 48 Less than 50 Less than 52 Give a frequency table for this data. 28 32 35 | 8 |

158 | Study the graph carefully and answer the question given below it. In which year did the import register | 8 |

159 | Hindi Adjoining pie chart gives the expenditure (in percentage) on various items and savings of a family during a month. (1) On which item, the expenditure was maximum? (i) Expenditure on which item is equal to the total savings of the family? (i) Ifthe monthly savings of the family is *3000, what is the monthly expenditure on clothes? House rent Education for 10% children Transport 15% 5% Food 25% Others 20% Savings 15% Clothes 10% | 8 |

160 | The following data shows the average age of men in various countries in a certain year: Country India Nepal China | 8 |

161 | 0.3 9. Represent the following frequency distribution by a histogram. Class Intervals 0 -10 10-20 20 – 30 30 – 40 40 – 50 Frequency ( 6 12 188 4 Sol. Scaling the x-axis as 1 cm – 10 od 1 | 8 |

Hope you will like above questions on data handling and follow us on social network to get more knowledge with us. If you have any question or answer on above data handling questions, comments us in comment box.

**help, strategies and expertise**.