MCQ on Data Handling for Class 8
Class 8 Maths Chapter 5 Data Handling MCQ
MCQ of Data Handling Class 8
I. Choose the correct answer.
Question 1.
In a bar graph, bar heights tells us about _________ .
A) quantity of each
B) volume of each
C) area of each
D) none
Answer:
A) quantity of each
Question 2.
If 20 – 40 is the class interval of grouped data, then the higher class limit is _________ .
A) 20
B) 30
C) 40
D) 60
Answer:
C) 40
Question 3.
In the class 30 – 40, class interval is _________ .
A) 20
B) 10
C) 30
D) 40
Answer:
B) 10
Question 4.
‘Raw data’ means data in _________ form.
A) an organised
B) un organised
C) tabular
D) all the above
Answer:
B) un organised
Question 5.
Usually we represent three sets of data simultaneously, in _________ graph.
A) tripple bar
B) double bar
C) bar
D) pie
Answer:
A) tripple bar
Question 6.
Tally marks gives the number of _________ of each class.
A) class interval
B) frequency
C) width
D) higher boundary
Answer:
B) frequency
Answer the following questions 7 to 11 basing on the table.
Frequency distribution of data users of a Network
| Data size (daily consumed) | Frequency (number of users) in Lakhs |
| 0 – 1 | 4.59 |
| 1 – 2 | 6.31 |
| 2 – 3 | 8.99 |
| 3 – 4 | 7.11 |
| 4 – 5 | 4.33 |
| 5 – 6 | 2.67 |
Question 7.
What is the size of class intervals ?
A) 1
B) 2
C) 4
D) 5
Answer:
A) 1
Question 8.
Which class has the least frequency ?
A) 0 – 1
B) 2 – 3
C) 5 – 6
D) 3 – 4
Answer:
C) 5 – 6
Question 9.
What is the lower limit of class 3 – 4
A) 4
B) 2
C) 3
D) 1
Answer:
C) 3
Question 10.
What is the data limit that highest users using daily ?
A) 1 – 2
B) 2 – 3
C) 3 – 4
D) 5 – 6
Answer:
B) 2 – 3
Question 11.
How many users using more than 4GB and above ?
A) 7 lakhs
B) 14.11 lakhs
C) 7.11 lakhs
D) 34 lakhs
Answer:
B) 14.11 lakhs
In a village percentage of people speaking different languages is shown below. Keeping its pie chart in view.
| Language | Telugu | Hindi | English | Tamil | Urdu | Bengali |
| Percentage of people | 34 | 12 | 11 | 09 | 21 | Rest of people |
Answer the questions from 12 to 15.
Question 12.
Which sector have an angle 43.2° at centre ?
A) Telugu
B) Hindi
C) English
D) Bengali
Answer:
B) Hindi
Question 13.
What percent of people are speaking ‘Bengali’ ?
A) 100
B) 15
C) 13
D) 17
Answer:
C) 13
Question 14.
What is angle of sector ‘Telugu’ in the above the chart ?
A) 12.24°
B) 340°
C) 144.2°
D) 122.4°
Answer:
D) 122.4°
Question 15.
What is the difference in centre angles of sectors represented by English and Urdu?
A) 72°
B) 39.6°
C) 36°
D) none
Answer:
C) 36°
Q. 16 – 17 : In the below given graph, the number of hours for which students of a particular class watched Telivison during holidays is shown through the given graph.
Answer the following questions.
Question 16.
For how many hours did the maximum number of students watch TV ?
A) 3 – 4 hours
B) 4 – 5 hours
C) 5 – 6 hours
D) 2 – 3 hours
Answer:
B) 4 – 5 hours
Question 17.
How many students watched TV for less than 4 hours ?
A) 34
B) 30
C) 32
D) 40
Answer:
A) 34
Q.18 – 19 : A survey was made to find the type of music that a certain group of young people liked in a city. Below given Pie chart shows the findings of this survey.
Answer the following questions.
Question 18.
If 20 people liked classical music, how many young people were surveyed ?
A) 100
B) 150
C) 10
D) 200
Answer:
D) 200
Question 19.
Which type of music is liked by the maximum number of people ?
A) Semi classical
B) Folk
C) Classical
D) Light
Answer:
D) Light
Question 20.
Shown below is a pie chart showing the favourite sports of 160 children.
(Note : Each child has only 1 favourite sport.)
For what percentage of children is ten-nis the favourite sport ?
A) 10%
B) 12.5%
C) 15%
D) 24%
Answer:
C) 15%
Question 21.
The probability of rand omly picking a blue chalk from a box of chalks is \(\frac{1}{3}\)
Which of these could represent ALL the chalks in the box ?
A) 10 blue chalks and 30 red chalks
B) 10 red chalks and 20 blue chalks
C) 1 blue chalk, 3 yellow chalks and 4 red chalks
D) 10 blue chalks, 10 yellow chalks and 10 red chalks
Answer:
D) 10 blue chalks, 10 yellow chalks and 10 red chalks
Question 22.
When two coins are tossed together then total number of possible outcomes
A) 2
B) 3
C) 4
D) Two coins can’t be tossed together
Answer:
C) 4
Question 23.
In a pictograph, data is represented using
A Circle
B) Rectangles
C) Bars
D) Pictures
Answer:
D) Pictures
Question 24.
If you pick a candy at random from a bag with 4 chocolate candies, 3 strawberry candies, and 1 mint candy, what is the probability that it will be a chocolate candy ?
A) \(\frac{1}{8}\)
B) \(\frac{1}{4}\)
C) \(\frac{3}{8}\)
D) \(\frac{1}{2}\)
Answer:
D) \(\frac{1}{2}\)
II. Fill in the blanks.
Using the below graph answer questions from 1 to 5.
1. What is the information given in above graph ? __________ .
Answer:
Boys and girls vs average age of using mobile network
2. In which year lower age girls started using mobile Network __________ .
Answer:
2018
3. In which age mobile network usage is equal among boys and girls ? __________ .
Answer:
2016
4. In which year age gap is high in boys and girls ? __________ .
Answer:
2018
5. Who is accessing network at higher ages in general ? __________ .
Answer:
Boys
6. 
What is abnormality in this histogram ? __________ .
Answer:
breadth of rectangles are not same, gaps between histogram are also not same.
7. What is the other name we use to indicate Bargraphs ? __________ .
Answer:
Histogram
8. What is the other name we use to represent circle graphs ? __________ .
Answer:
Pie chart
9. What is the formula for ‘central angle of sector’ in circle graphs ? __________ .
Answer:
\(\frac{\text { score of each }}{\text { total score }}\) × 360°
Data of expenditure from a salary of ₹ 54000/- per month is shown in figure
Now answer below questions from 10 to 14.
10. What is the difference amount spent for food and savings ? __________ .
Answer:
10,500/-
11. How much additional amount is spent for food than Education ? __________ .
Answer:
4,500/-
12. How much amount is being saved per month ? __________ .
Answer:
3000/-
13. Amount spent for other expenditure is __________ .
Answer:
28500/-
14. Total amount spent for education and savings is __________ .
Answer:
31500/-
Time spent by child during a day is shown in figure.
Basing on this, answer all the questions for 15 to 21.
| Sector | A | B | C | D | E |
| Activity | Play | School | Sleep | Homework | Others |
| Time | 3 hours | 6 hours | 8 hours | 4 hours | Rest of time |
15. What is the time spent for other activities ?
Answer:
3 hours
16. Centre angle of sector ‘C’ is __________ .
Answer:
120°
17. Centre angle of sector ‘A’ is __________ .
Answer:
45°
18. If sleep time reduced by 2 hours, then the central angle of sector ‘C’ would be __________ .
Answer:
90°
19. Total angle of sectors of ‘Play’ and ‘Homework’ is __________ .
Answer:
105°
20. Angle at sector ‘B’ is __________ .
Answer:
90°
21. What is fraction of area shown by sector ‘Sleep’ ?
Answer:
\(\frac{1}{3}\)
22. __________ is the number of times of occurance of particular entry or entries.
Answer:
Frequency
23. The size of the class interval 35 – 55 is __________ .
Answer:
20
From the following table,
| CI | 0 – 9 | 10 – 19 | 20 – 29 | 30 – 39 | 40 – 49 | 50 – 59 |
| Frequency | 2 | 4 | 8 | 12 | 7 | 5 |
Answer the questions from 24 to 27.
24. Class Interval is __________ .
Answer:
10
25. Highest frequency lies in __________ class.
Answer:
30 – 39
26. Lower limit of least frequency class __________ .
Answer:
0
27. Total frequency is __________ .
Answer:
38
28. When a die is thrown, probability of getting prime number is __________ .
Answer:
\(\frac{1}{2}\)
29. From the word ‘SATYANARAYANA’ picking a vowel (probability) is __________ .
Answer:
\(\frac{1}{6}\)
30. List of outcomes when a coin is tossed are __________ .
Answer:
T, H
31. Formula for probability = __________ .
Answer:
\(\frac{\text { Number of Favourable outcomes }}{\text { Total outcomes in the event }}\)
32. A circle – graph is called __________ .
Answer:
Pie chart
33. Probability of an event is __________ .
Answer:
\(\frac{\text { Number of outcomes that make an event }}{\text { Total number of outcomes of the experiment }}\)