Question

30 men can finish a peice of work in 28days how much day will be taken by 21 men to finish it​

Answer 1

30 men can finish a piece of work in 28 days .how much day will be taken by 21 men to finish it.

to find :

the days will be taken by 21 men to finish a piece of work

to given:

30 men finish a piece of work in 28 days

solution:

we use the formula of :

$\frac{ {m}^{1} \times \ {d}^{1} \times {h}^{1} }{w} = \frac{ {m}^{2} \times {d}^{2} \times \ {h}^{2} }{w}$

according to the question,we put value :

$30 \times 28 = 21 \times ?$

$? = 40$

hope it helps you ☺️

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