Question : 24 men can complete a work in 15 days. How many men are needed to complete the same work in 10 days?
Option 1: 16
Option 2: 20
Option 3: 36
Option 4: 25
Correct Answer: 36
Solution : We know, $M_1D_1= M_2D_2$ Where $M_1$ and $M_2$ are persons and $D_1$ and $D_2$ are days. So, $24×15=M_2×10$ $\therefore M_2=\frac{24×15}{10}=36$ Hence, the correct answer is 36.
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