Question : In a field, 8 workers complete a task in 22 days. If this task is to be completed in 44 days, then how many workers will be required?
Option 1: 3
Option 2: 5
Option 3: 2
Option 4: 4
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Correct Answer: 4
Solution : Total workers ($M_1$) = 8 Time taken ($D_1$) = 22 days Let the required workers ($M_2$) be $x$. Time taken ($D_2$) = 44 days We know that, $M_1D_1= M_2D_2$ $⇒8\times22=x\times44$ $\therefore x=4$ Hence, the correct answer is 4.
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