Question

If 3 men can do a piece of work in 20 days, how long will it take for 12 men to do the same work?

Answer 1

$\sf{\huge{\underline{\purple{Given :-}}}}$

• 3 men can do a piece of work in 20 days.

$\sf{\huge{\underline{\pink{To\:Find :-}}}}$

• Time taken by 12 men to do the same work.

$\sf{\huge{\underline{\blue{Solution :-}}}}$

3 men can do a piece of work in 20 days.

So, 1 man can do a a piece of work = 20/3

12 men to do the same work = $\dfrac{20}{3} \times 12$

➝ 20 × 4

➝ 80 days

So, The time taken by 12 men to do the same work is 80 days.

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Answer 2

3 men can complete work in =20 days
Total men required to do the work =20 *3

= 60
12 men will complete the work in = 60/12
= 5