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Maths Quiz for Class 8 Data Handling and Graphs |
In this post, we are providing 20 online maths quiz
questions for class 8 data handling and graphs. Online maths quiz will take
around 20 minutes to complete it.
Question 1: The given bar graph shows the snowfall in Jammu in 5 months. Read the bar graph and answer the given questions (Q 1 to 5). In which month was the snowfall the highest?
A) November
B) December
C) January
D) February
Explanation: Since the bar of January is the highest, therefore, the highest snowfall was in January.
Question 2: Refer bar graph given in Q1. In which month was the snowfall the least?
A) March
B) February
C) November
D) January
Explanation: Since the bar of March is the smallest, therefore, the least snowfall was in March.
Question 3: Refer bar graph given in Q1. How much snowfall was there in February?
A) 60 cm
B) 50 cm
C) 70 cm
D) 90 cm
Explanation: In February, 60 cm snowfall was there because the height of bar of February is up to 60 cm.
Question 4: Refer bar graph given in Q1. How much snowfall was there in November?
A) 60 cm
B) 70 cm
C) 80 cm
D) 90 cm
Explanation: In November, 70 cm snowfall was there because the height of bar of November is up to 70 cm.
Question 5: Refer bar graph given in Q1. In which month was the snowfall 90 cm?
A) November
B) December
C) January
D) February
Explanation: The height of the bar in December is 90 cm, therefore, in the month of December, the snowfall was 90 cm.
Question 6: Read the given histogram and answer the given questions (Q 6 to 10). Find the class size of the class intervals.
A) 2
B) 5
C) 10
D) 20
Explanation: Class size = Upper limit – Lower limit = 30 – 20 = 40 – 30 = 50 – 40 = 10
Question 7: Refer histogram given in Q6. Find the upper limit of the class interval 80 – 90.
A) 80
B) 90
C) 10
D) 170
Explanation: The upper limit of the class interval 80 – 90 is 90.
Question 8: Refer histogram given in Q6. Which class interval has the maximum frequency?
A) 50 – 60
B) 40 – 50
C) 30 – 40
D) 20 – 30
Explanation: The class interval 20 – 30 has the maximum frequency.
Question 9: Refer histogram given in Q6. Find the frequency of class interval 30 – 40.
A) 4
B) 5
C) 6
D) 2
Explanation: The frequency of class interval 30 – 40 is 4.
Question 10: Refer histogram given in Q6. Which class interval has the frequency 5?
A) 20 – 30
B) 30 – 40
C) 40 – 50
D) 50 – 60
Explanation: The class interval 40 – 50 has the frequency 5.
Question 11: The given pie chart shows the favourite colours of 720 children. Read the pie chart and answer the given questions (Q 11 to 15). Which colour is liked by the greatest number of children?
A) Yellow
B) Red
C) Green
D) Blue
Explanation: The red colour is liked by the greatest number of children because its central angle is the greatest.
Question 12: Refer pie chart given in Q11. How many children like red colour?
A) 360 children
B) 240 children
C) 280 children
D) 180 children
Explanation: Central angle of red colour = 120°. Total number of children = 720. Number of children who like red colour = 720 × 120°/360° = 240 children
Question 13: Refer pie chart given in Q11. How many children like yellow colour?
A) 180 children
B) 280 children
C) 240 children
D) 360 children
Explanation: Central angle of yellow colour = 90°. Total number of children = 720. Number of children who like yellow colour = 720 × 90°/360° = 180 children
Question 14: Refer pie chart given in Q11. Find the number of children who like blue colour.
A) 240 children
B) 80 children
C) 360 children
D) 180 children
Explanation: Central angle of blue colour = 90°. Total number of children = 720. Number of children who like blue colour = 720 × 90°/360° = 180 children
Question 15: Refer pie chart given in Q11. Which two colours are liked by the equal number of children?
A) Green and red
B) Green and yellow
C) Yellow and blue
D) Red and blue
Explanation: Yellow and blue colours are liked by the equal number of children because their central angles are the same, that is, 90°.
Question 16: The given line graph shows the number of children aged between 13 and 19 in a town, who like cricket. Study the line graph and answer the given questions (Q 16 to 20). Children of which age group like cricket the most?
A) 15 years
B) 17 years
C) 18 years
D) 19 years
Explanation: The children of 17 years age group like cricket the most.
Question 17: Refer line graph given in Q16. Children of which age group like cricket the least?
A) 13 years
B) 14 years
C) 15 years
D) 16 years
Explanation: The children of 13 years age group like cricket the least.
Question 18: Refer line graph given in Q16. How many children in the age group 15 like cricket?
A) 375 children
B) 300 children
C) 325 children
D) 350 children
Explanation: In age group 15 years, 325 children like cricket.
Question 19: Refer line graph given in Q16. How many children in the age group 19 like cricket?
A) 325 children
B) 350 children
C) 375 children
D) 400 children
Explanation: In age group 19 years, 350 children like cricket.
Question 20: Refer line graph given in Q16. 200 children of which age group like the cricket?
A) 16 years
B) 15 years
C) 14 years
D) 13 years
Explanation: 200 children of age group 14 years like the cricket.
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