## Class 7 Math Important Objective Chapter – 3 Data Handling

Here we are providing Class 7 Math Important Objective Chapter – 3 Data Handling because its very important for Class 7 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 7 Math Important Objective Chapter – 3 Data Handling is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class 7 Math Important Objective Chapter – 3 Data Handling 80+ questions  so that students practice more and more. If you want class wise Notes Then Click Here

## Class 7 Math Important Objective Chapter – 3 Data Handling

1. There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-blue ball?

(a) 3/5

(b) 7/10

(c) 2/5

(d) None of these

Ans-(b)

2. Mean of the first six prime numbers is

(a) 7.83

(b) 5.83

(c) 6.83

(d) 4.83

Ans-(c)

3. The mean of 6, y, 7, x and 14 is 8. Which of the following is true?

(a) x+y = 13

(b) x−y = 13

(c) 2x+3y = 13

(d) x2+y = 15

Ans-(a)

The number of tourists visiting a historical place in a week is shown in the following table :

4. On which day is the number of tourists maximum?

(a) Sunday

(b) Wednesday

(c) Tuesday

(d) Saturday

Ans-(a)

5. What is the mode of the following set of numbers?

1, 2, 3, 2, 1, 5, 6, 1

(a) 3

(b) 1

(c) 2

(d) 5

Ans-(b)

6. On which day is the number of tourists minimum?

(a) Friday

(b) Monday

(c) Thursday

(d) Saturday

Ans-(a)

7. There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-red ball?

(a) 4/5

(b) 2/5

(c) 3/5

(d) None of these

Ans-(a)

8. A die is rolled then the probability that the number of dot’s on its upper face is less than 5 is

(a) 0

(b) 1/3

(c) 2/3

(d) 1

Ans-(c)

9. If 1 cm = 15 students, what will be the length of line for 90 students ?

(a) 4 cm

(b) 6 cm

(c) 6 students

(d) 9 cm

Ans-(b)

10. On which day 60 tourists visit?

(a) Monday

(b) Tuesday

(c) Friday

(d) Sunday

Ans-(c)

11. The mean of five numbers is 27. If one of the numbers is excluded, the mean gets reduced by 2. What is the excluded number?

(a) 35

(b) 27

(c) 25

(d) 40

Ans-(a)

12. Which measure describes the centre of a set of data?

(a) Mode

(b) Mean

(c) Median

(d) All the these

Ans-(c)

13. Find the mean if the sum of 18 observations is 90.

(a) 5

(b) 4

(c) 6

(d) 9

Ans-(a)

14. What is the difference between the number of tourists visiting on Friday and Monday?

(a) 10

(b) 24

(c) 38

(d) 5

Ans-(d)

15. The data which is collected directly from the source is called

(a) primary data

(b) ungrouped data

(c) grouped data

(d) secondary data

Ans-(a)

16. The arithmetic mean of five given numbers is 85. What is their sum?

(a) 425

(b) 85

(c) A number between 85 and 425.

(d) A number greater than 500.

Ans-(a)

17. The sum of the number of tourists visiting on Sunday and Friday is

(a) 160

(b) 60

(c) 220

(d) 100

Ans-(c)

18. What is the probability of getting a sum of 13 when 2 dice are rolled ?

(a) 13/12

(b) 1/12

(c) 4/12

(d) none of these

Ans-(d)

19. The median of 1, 4, 1, 2, 0, 1, 5, 4, 2, 2 is

(a) 0

(b) 1

(c) 2

(d) 4

Ans-(c)

20. Two dice are thrown, find and number of outcomes.

(a) 12

(b) 6

(c) 36

(d) None of these

Ans-(c)

21. The difference between the maximum and minimum number of tourists is

(a) 50

(b) 80

(c) 90

(d) 100

Ans-(d)

22. There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a black ball?

(a) 2/5

(b) 3/5

(c) 1/2

(d) None of these

Ans-(c)

23. The range of 35, 40, 22, 17, 65, 31, 78, 33 is

(a) 35

(b) 17

(c) 61

(d) 33

Ans-(c)

24. In the class-interval 70-80, 80 is the

(a) lower limit

(b) upper limit

(c) frequency

(d) range

Ans-(b)

25. A batsman scored the following number of runs in six innings:

35, 30, 45, 65, 39, 20

The mean runs scored by him in an inning is

(a) 39

(b) 38

(c) 37

(d) 40

Ans-(a)

26. The weight of students in class is 15, 16, 18, 19, 21, 23, 27, 25 and the average weight of student is?

(a) 18.5

(b) 23.5

(c) 20.5

(d) 21.5

Ans-(c)

27. A coin is tossed. What is the probability of getting tail?

(a) 1

(b) 1/2

(c) 2

(d) 0

Ans-(b)

28. The mean of the numbers 10,20, 30 and 40 is

(a) 20

(b) 25

(c) 30

(d) 50

Ans-(b)

29. A die is thrown. What is the probability of getting 6?

(a) 0

(b) 1/6

(c) 1/2

(d) 1

Ans-(a)

30. The range of the weights (in kg) of a students of a class given below is:

49, 60, 47, 50, 47, 59, 58, 45, 53

(a) 10

(b) 15

(c) 20

(d) 2

Ans-(b)

31. The median of the data 20, 30, 40, 10,15, 25, 35 is

(a) 20

(b) 25

(c) 30

(d) 40

Ans-(b)

32. The marks of 11 students of a class are as given below:

78, 11, 99, 63, 94, 6, 78, 36, 30, 55, 22

The range of marks is

(a) 90

(b) 91

(c) 92

(d) 93

Ans-(d)

33. Range of data is equal to:

(a) highest value + lowest value

(b) highest value – lowest value

(c) highest value × lowest value

(d) highest value + lowest value

Ans-(b)

34. The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:

On how many days was the rainfall less than 6 mm?

(a) 0

(b) 3

(c) 6

(d) 7

Ans-(d)

35. Which of the following is the mean of the given data?

(a) The middle value of the data arranged in ascending or descending order.

(b) The value of the observation occurring most frequently.

(c) The sum of all the values of the data divided by the total number of values.

(d) None of these.

Ans-(c)

36. The mode of the distribution 3,5, 7, 4, 2, 1, 4, 3, 4 is

(a) 7

(b) 4

(c) 3

(d) 1

Ans-(b)

37. The difference between the upper and lower limit is called

(a) group

(b) class size

(c) class interval

(d) class mark

Ans-(b)

38. The marks of some students are as given below:

30, 31, 32, 32, 33, 32, 34, 35, 30, 31, 33, 32

Find the mode of their marks.

(a) 30

(b) 31

(c) 32

(d) 33

Ans-(c)

39. A process which results in some well defined outcome is known as :

(a) outcome

(b) event

(c) experiment

(d) frequency

Ans-(c)

40. The median of the distribution 2, 3, 4, 7, 5, 1, 6 is

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(d)

41. What is the median of the data 46,64,87, 41,58,77,35,90,55,33,92?

(a) 87

(b) 77

(c) 58

(d) 60.2

Ans-(c)

42. The median of the data 20, 30, 40, 10, 15, 25, 35 is

(a) 20

(b) 25

(c) 30

(d) 40

Ans-(b)

43. In a bar chart, a bar of length 4 cm is drawn. If 1 cm = 1.5 l, what will 4 cm be ?

(a) 3 l

(b) 6 l

(c) 5 l

(d) 9 l

Ans-(b)

44. Which of the following statements is true?

(a) The mode is always one of the numbers in a data

(b) The mean is always one of the numbers in a data

(c) Mean < Mode in a data

(d) Median < Mode in a data

Ans-(a)

45. The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:

(a) 50

(b) 60

(c) 70

(d) 65

Ans-(b)

46. A coin is tossed. What is the probability of getting head?

(a) 0

(b) 1

(c) 1/2

(d) 2

Ans-(c)

47. The probability of an experiment cannot be greater than :

(a) 0

(b) 0.5

(c) 1

(d) 2

Ans-(c)

48. A coin is tossed. What is the probability of getting tail?

(a) 1

(b) 1/2

(c) 2

(d) 0

Ans-(b)

49. The number of times an observation occurs in a data is called its

(a) Range

(b) Raw data

(c) Interval

(d) Frequency

Ans-(d)

50. A die is thrown. What is the probability of getting 1?

(a) 0

(b) 1

(c) 1/2

(d) 1/6

Ans-(d)

51. Suppose in a game of ludo, the player requires 1, 3, 5 and 6 to be safe. What is the probability of being unsafe ?

(a) 4/6

(b) 3/6

(c) 2/6

(d) 1

Ans-(c)

52. A die is thrown. What is the probability of getting 6?

(a) 0

(b) 1/6

(c) 1/2

(d) 1

Ans-(b)

53. When a coin is thrown, total number of possible outcomes is ______.

(a) 5

(b) 2

(c) 6

(d) None of these

Ans-(b)