Question

if 15 men working 6 hours a day can do a piece of work in 10 days, how many men working 9 hours a day will do the same work in 5 days​

Answer 1

Answer:

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Step-by-step explanation:

15 men work for 16×6 hours.

1 man takes 16×6×15 hours.

Now, taking the other situation:

Suppose 10 men take 'x' days to complete the work, therefore, 10 men work for 8x hours.

1 man takes 10× 8x hours.

Using the ratio method, we have,

x = (16×6×15)÷(10×8)=18 days.