Chain Rule MCQ Set 6

Showing question 26 to 30 of total 30 MCQs

Solve the question on your notebook and check it by clicking (Answer and Explanation) below question.

Question No: 26

4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?

1. 4
2. 8
3. 12
4. 16

Answer: D

Explanation

Let the required number of bottles be x.

More weavers, More mats (Direct Proportion)

More days, More mats (Direct Proportion)

x = 16.

Question No: 27

If 36 men can do a piece of work in 25 hours, in how many hours will 10 men do it?

1. 100 hours
2. 90 hours
3. 60 hours
4. 30 hours

Question No: 28

If 15 toys cost Rs. 545, what do 37 toys cost ?

1. Rs. 1344
2. Rs. 1200
3. Rs. 1668
4. Rs. 1542

Question No: 29

For a road work, a contractor was given a deadline to complete the work in 25 days. Hence, he employed a certain number of workers to accomplish the job. But from the very first day 9 workers were absent and the remaining workers could finish the work in 40 days. What number of workers did the contractor hired in the beginning?

1. 20
2. 30
3. 24
4. 16

Question No: 30

If a certain number of people can dig earth 100m deep, 25m long, and 30m broad in 12 days, then find the number of days the same number of people will require to dig earth 75m deep, 20m long and 50m broad.

1. 12
2. 18
3. 6
4. 1