CBSE Class 8 Maths Fractions in Disguise (Class 8 NCERT New) Quiz 7

1. 3 is what percent of 300?

A 0.1% B 1% C 3% D 30%

2. Which number is 40% of 4?

A 1.2 B 1.6 C 2.4 D 3.2

3. 40 is 80% of which number?

A 32 B 40 C 50 D 60

4. Is 10% of a day longer than 1% of a week?

A Yes B No

5. On Mariam’s 99th day of feeding the peculiar bull, she gave the bull 100 units of fodder and the bull ate 99 units. What percentage of the fodder did the bull eat that day?

A 1% B 50% C 99% D 100%

6. Workers take 18 days to pick coffee berries in 20% of a plantation. Assuming the rate of work stays the same, how many days will it take to complete the entire plantation?

A 72 days B 80 days C 90 days D 120 days

7. In the coffee plantation problem, why is the assumption about the rate of work necessary?

A It ensures a constant rate so time is proportional to area. B It motivates workers to work faster. C It reduces the number of workers needed. D It accounts for holidays during the season.

8. A badminton coach allocates time in the ratio warm up : play : cool down = 10% : 80% : 10% for a 90-minute session. Which allocation is correct?

A 10 min, 70 min, 10 min B 9 min, 72 min, 9 min C 8 min, 74 min, 8 min D 12 min, 66 min, 12 min

9. A halwa recipe for 4 people uses the proportions Rava 40%, Sugar 40%, Ghee 20%. For 8 people, what are the proportions of each ingredient?

A Rava 50%, Sugar 30%, Ghee 20% B Rava 40%, Sugar 40%, Ghee 20% C Rava 35%, Sugar 45%, Ghee 20% D Rava 40%, Sugar 30%, Ghee 30%

10. If the total weight of ingredients for halwa is 2 kg with proportions Rava 40%, Sugar 40%, Ghee 20%, how much of each ingredient is needed?

A Rava 0.6 kg, Sugar 0.6 kg, Ghee 0.8 kg B Rava 0.8 kg, Sugar 0.8 kg, Ghee 0.4 kg C Rava 1.0 kg, Sugar 0.6 kg, Ghee 0.4 kg D Rava 0.7 kg, Sugar 0.9 kg, Ghee 0.4 kg