MCQ Questions for Class 7 Maths: Ch 3 Data Handling

MCQ Questions for Class 7 Maths: Ch 3 Data Handling

1. On which day is the number of tourists minimum?
(a) Friday
(b) Monday
(c) Thursday
(d) Saturday
► (a) Friday

2. 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
► (b) 60

3. The number of times an observation occurs in a data is called its
(a) Range
(b) Raw data
(c) Interval
(d) Frequency
► (d) Frequency

4. 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
► (a) 35

5. 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.
► (a) 425  

6. When a coin is thrown, total number of possible outcomes is ______.
(a) 5
(b) 2
(c) 6
(d) None of these
► (b) 2

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-blue ball?
(a) 3/5
(b) 7/10
(c) 2/5
(d) None of these
► (b) 7/10

8. Two dice are thrown, find and number of outcomes.
(a) 12
(b) 6
(c) 36
(d) None of these
► (c) 36

9. 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
► (c) 1/2

10. 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
► (a) x+y = 13         

11. 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
► (a) 4/5

12. The difference between the upper and lower limit is called
(a) group
(b) class size
(c) class interval
(d) class mark
► (b) class size

13. 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
► (c) 58

14. In the class-interval 70-80, 80 is the
(a) lower limit
(b) upper limit
(c) frequency
(d) range
► (b) upper limit

15. The heights of six mountains are 8200 m, 6000 m, 8600 m, 7500 m, 8800 m and 6500 m. Based on this information, answer the questions given. Rakesh and Sanjay planned to go trekking on any of these mountains. They wrote the heights on chits of paper, shuffled them and picked one. What is the probability that the height picked is the maximum?
(a) 1/3
(b) 2/3
(c) 1/6
(d) 1/4
► (c) 1/6

16. When a die is thrown, total number of possible outcomes is ______.
(a) 2
(b) 6
(c) 36
(d) None of these
► (b) 6

17. What is the mean of x, x+3, x+6, x+9 and x+12?
(a) x+3
(b) x+6
(c) x+9
(d) x+12
► (b) x+6  

18. Which of the following is correct about mode?
(a) It is central.
(b) It occurs most frequently.  
(c) It lies between the maximum and minimum observations.
(d) It is the average of the two middle terms.
► (b) It occurs most frequently.  
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