If - 36- nbsp-men can do a piece of work in - 25- nbsp-days- in how many days will - 15- nbsp-men complete the same work-

→ If 36 men can do the work #160;In 25 days, 1 man could do #160;it in 25× 36 days ⇒ 1 man can do 125× 36^th of the #160;work in 1 ...

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Byju's Answer

Standard VII

Mathematics

Time and Work

If 36 ...

Question

If $36$ men can do a piece of work in $25$ days, in how many days will $15$ men complete the same work?

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Solution

$\to$ If 36 men can do the work
In 25 days, 1 man could do
it in $25 \times 36$ days
$\Rightarrow$ 1 man can do ${\frac{1}{25 \times 36}}^{t h}$ of the
work in 1 day
$\Rightarrow$ 15 man could do ${(\frac{15}{25 \times 36})}^{t h}$
of the work in 1 day
$\Rightarrow$ It would take $\frac{25 \times 36}{15} = 60$
days for them to complete
the work

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If 36 men can do a piece of work in 25 days, in how many days will 15 men complete the same work?

→ If 36 men can do the work In 25 days, 1 man could do it in 25×36 days⇒ 1 man can do 125×36th of the work in 1 day⇒ 15 man could do (1525×36)thof the work in 1 day⇒ It would take 25×3615=60days for them to complete the work

If $36$ men can do a piece of work in $25$ days, in how many days will $15$ men complete the same work?