Question

10. Four men take 3 hours to paint a wall. How much time would 6 men take to do the same
* job?

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Answer 1

Step-by-step explanation:

This is a method of "Inverse Variation" where one increases, then other decreases.

If 4=3

Then, 6=x

6×x= 4×3

6x= 12

x= 12/6

x= 2

Thus, 6 men will take 2 hours to paint a wall.

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Answer 2

time taken by 4 men = 3 hours

time taken by 6 mens = 2 hours 15 min