Question : 18 men can complete a work in 50 days. If 25 men are employed, then in how many days the work will be completed?
Option 1: 25 days
Option 2: 48 days
Option 3: 36 days
Option 4: 32 days
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Correct Answer: 36 days
Solution : We know, $M_1D_1= M_2D_2$ Where $M_1$ and $M_2$ are persons and $D1$ and $D_2$ are days. Here, $M_1=18,M_2=25,$ and $D_1=50$ ⇒ $18×50=25×D_2$ ⇒ $D_2=\frac{50×18}{25}$ ⇒ $D_2 = 36$ days Hence, the correct answer is 36 days.
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