Question

15 men can build a wall in 42 hours, how many workers will be required for

the same work in 30 hours?​

Answer 1

Answer:

24 workers can complete the same work in 30 hours.

Step-by-step explanation:

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Answer 2

Given: 15 men can build a wall in 42 hours

To find: No. of workers required for the same work in 30 hours

Explanation:

No. of men required to complete the work in 42 hours= 15 men

No. of men required to complete the work in 1 hour= 15 * 42

= 630 men

No. of men required to complete the work in 30 hours= 630/30

= 21 men

Therefore, 21 men are required to complete the work in 30 hours.