If 36 men can built a wall in 12 days, then 16 men can built the same wall in …………….. days.

Monjur Alahi

If 36 men can built a wall in 12 days, then 16 men can built the same wall in …………….. days. 

A) 27 

B) 18 

C) 35 

D) 36


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Salim Ahmed Kawsar

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Correct option is (A) 27

Given that 36 men can built a wall in 12 days.

\(\therefore\) Total work = 36 \(\times\) 12

Let 16 men can built the wall in x days.

\(\therefore\) Total work = 16 \(\times\) x

\(\because\) Both work are same (to build a same wall)

\(\therefore\) 16 \(\times\) x = 36 \(\times\) 12

\(\Rightarrow\) \(x=\frac{36\times12}{16}=9\times3\) = 27

\(\therefore\) 16 men can built the same wall in 27 days.

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Salim Ahmed Kawsar

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Correct option is  A) 27

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