CBSE Class 8 Mathematics Data Handling Worksheet Set C

1 From the frequency table, the percentage of families with less than 3 children is x/40 X 100 %.

Find the value of ·x:
(A) 7
(B) 15
(C) 11
(D) 18
Answer : D

2 A survey was carried out for the purpose of determining the number of children in each family. The results are shown in the table.

Calculate the percentage of families which have more than 2 children.
(A) 35%
(B) 40%
(C) 60%
(D) 75%
Answer : B

3 The scores obtained by a group of participants in a game are shown in the table. A participant who scores more than 3 points receives a hamper.

If the number of participants who do not receive hampers is twice the number of those who do, find the value of Y
(A) 2
(B) 26
(C) 32
(D) 68
Answer : B

4 The table shows the distr ibution of marks in an English test. Grade B is given to marks ranging from 40 to 54.

Calculate the percentage of pupils who obta ined grade B.
(A) 26%
(B) 52%
(C) 65%
(D) 75%
Answer : C

5 The table shows the type and number of cakes sold by a bakery. In a pictograph, one symbol represents 5 cakes.

How many symbols are required to represent the number of the best-selling type of cake ?
(A) 5
(B) 9
(C) 10
(D) 15
Answer : C

6 The pictogram shows the number of pupils who cycle to school

What i s the total number of pupils who cycle to school ?
(A) 15
(B) 300
(C) 420
(D) 450
Answer : D

7 The pictogram shows the number of visitors to an exhibition in a particular week.

Key: Each 🙂 represents 6 visitors.
What is the number of visitors recorded after Wednesday ?
(A) 10
(B) 18
(C) 60
(D) 70
Answer : C

8 The bar chart shows the number of cellphones sold by a shop on 5 days of a certain week. The difference between the highest number and the lowest number of cell phones sold is 15.

Find the number of cellphones sold on Thursday.
(A) 6
(B) 12
(C) 18
(D) 24
Answer : C

9 Which of the following experiments has equally likely outcomes ?
(A) Choose a number at random from 1 to 7.
(B) Toss a coin.
(C) Roll a die.
(D) All the above.
Answer : D

10 The bar chart shows the number of television sets sold by a shop in 5 months.

What is the sales in May, as a percentage of the total sales in the 5 months ?
(A) 25%
(B) 33(1/3)%
(C) 50%
(D) 66(2/3)%
Answer : A

11 The table shows the frequency distribution of grades obtained by 120 students. The data is represented in the following pie chart.

Which sector is labelled incorrectly ?
(A) A
(B) B
(C) C
(D) D CD
Answer : D

12 Which of the following is an outcome?
(A) Rolling a pair of dice.
(B) A die landing on red.
(C) Choosing 2 marbles from ajar.
(D) Picking a card from a pack of 52 cards.
Answer : B

13 The table shows the number of cups of four different beverages sold by a coffee shop on a certain day.

What is the angle of sector in a pie chart representing tea ?
(A) 40°
(B) 135°
(C) 108°
(D) no
Answer : B

14 The pie chart shows the examination grades obtained by a group of students

Which of the following statements about the pie chart is true ?
(A) 15% of the students scored grade B.
(B) 90% of the students scored grade A.
(C) 1/3 of the students scored grade C.
(D) 1/4 of the students scored grade B .
Answer : C

15 What is the probability of choosing a vowel from the alphabet ?
(A) 21/26
(B) 5/26
(C) 1/21
(D) 5/21
Answer : B

16 The pie chart shows the number of participants from four countries P. Q, Rand S taking part in a tennis tournament.

Given that there are 18 participants from country S, find the number of participants from country R.
(A) 18
(C) 27
(B) 21
(D) 42
Answer : D

17 The table shows the number of three different brands of laptops sold by a certain store. The data is represented by the pie chart which shows a semicircle divided into six equal sectors.

What is the angle of sector representing the number of Dell laptops sold ?
(A) ∠ POR
(C) ∠ QOT
(B) ∠ ROV
(D) ∠ POU
Answer : B

(18-21): The histogram shows the number of members in the families of the pupi Is of Class VIII.

18 Study the histogram and answer the following questions.
What is the enrolment of Class VIII?
(A) 40
(B) 50
(C) 60
(D) 70
Answer : A

19 The ma ximum number of pupils have families with 'n' members. What is the value of 'n'?
(A) n = 1
(C) n = 2
(B) n = 4
(D) n = 3
Answer : B

20 What is the total number of people in 5- member fami lies ?
(A) 22
(C) 45
(B) 25
(D) 50
Answer : C

21 What pe rcentage of the pupils co me from fami lies w ith more than 5 members?
(A) 20.5%
(C) 50%
(B) 21.5%
(D) 37.5%
Answer : D

22 What is the probability of getting an ace from a well shuffled deck of 52 playing cards?
(A) 1/13
(B) 2/13
(C) 3/13
(D) 4/13
Answer : A

23 The pie chart shows the distribution of grades obtained by a group of students in a test. The number of students who scored grade C is twice the number who scored grade B, and 3/5 of the students scored grades B an d C.

Find the angle of the sector which represents grade C.
(A) 108°
(B) 144°
(C) 216°
(D) 288°
Answer : B

24 Which of the following is an experiment?
(A) Tossing a coin.
(B) Rolling a single 6-sided die.
(C) Choosing a marble from a jar.
(D) All of the above.
Answer : D

25 A number from 1 to 11 is chosen at random. What is the probability of choosing an odd number ?
(A) 1/11
(B) 5/11
(C) 6/11
(D) 3/26
Answer : C

26 The following frequency table shows the number of occupants in each flat in an apartment.

Find the percentage of the flats with fewer than 4 occupants.
(A) 25%
(B) 27.8%
(C) 42 %
(D) 35 %
Answer : B

27 The table shows the grades obtained by a group of students in an examination

If the given information is illustrated using a pie chart, what is the angle of the sector that represents grade A ?
(A) 45°
(B) 65°
(B) 81°
(D) 100°
Answer : B

(28-31): Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.

28 What is the probability of getting the number 6?
(A) 1/10
(B) 2/20
(C) 1/30
(D) 1/15
Answer : A

29 What is the probability of getting a number less than 6?
(A) 1/3
(B) 1/2
(C) 2/3
(D) 4/3
Answer : B

30 What is the probability of getting a number greater than 6 ?
(A) 1/5
(B) 3/5
(C) 2/5
(D) 4/5
Answer : C

31 What is the probability of getting a 1-digit number ?
(A) 2/10
(B) 3/10
(C) 4/10
(D) 9/10
Answer : D

32 A school has a strength of 2000 students.
The following pie chart shows the interests of students indifferent subjects.

What is the number of students interested in Maths ?
(A) 700
(C) 200
(B) 600
(D) 500
Answer : A

Please refer to the link below for CBSE Class 8 Mathematics Worksheet - Data Handling