CBSE Class 8 Maths Proportional Reasoning 2 (Class 8 NCERT New) Quiz 4

1. If 24 pencils cost ₹120, how much will 20 such pencils cost?

A ₹80 B ₹90 C ₹100 D ₹110

2. A tank on a building has enough water to supply 20 families for 6 days. If 10 more families move in there, how long will the water last? Choose the option that also states the necessary assumption.

A 4 days; each family uses the same amount of water per day and total supply is fixed B 3 days; families use less water when more people share C 9 days; water use is directly proportional to the number of families D 6 days; the water supply increases with more families

3. Study the pie chart of children’s modes of transport to school: Bus 120°, Walk 90°, Two-wheeler 60°, Cycle 60°, Car 30°. What is the most common mode of transport?

A Bus B Walk C Cycle D Two-wheeler

4. Study the same pie chart of modes of transport to school: Bus 120°, Walk 90°, Two-wheeler 60°, Cycle 60°, Car 30°. What fraction of children travel by car?

A 1/6 B 1/12 C 1/4 D 1/3

5. From the same pie chart, if 18 children travel by car, how many children took part in the survey?

A 144 B 180 C 216 D 240

6. From the same pie chart, how many children use taxis to travel to school if taxis correspond to a 60° sector of the chart? Assume the total number of children is as found when 18 children travel by car.

A 18 B 30 C 36 D 60

7. By which two modes of transport are equal numbers of children travelling, according to the same pie chart?

A Bus and Walk B Walk and Car C Cycle and Two-wheeler D Bus and Cycle

8. Three workers can paint a fence in 4 days. If one more worker joins the team, how many days will it take them to finish the work? Choose the option that also states the necessary assumption.

A 3 days; all workers have equal efficiency and work the same hours B 2 days; the new worker works twice as fast as the others C 4 days; more workers do not change total time D 5 days; adding workers reduces individual effort but increases total time

9. It takes 6 hours to fill 2 tanks of the same size with a pump. How long will it take to fill 5 such tanks with the same pump?

A 9 hours B 12 hours C 15 hours D 18 hours

10. A set of chairs is arranged in 25 rows, with 12 chairs in each row. If the chairs are rearranged with 20 chairs in each row, how many rows does this new arrangement have?

A 12 B 15 C 20 D 30