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Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

Time, Work & Distance ProblemsWork and Time

15 men were hired to plough a piece of land in 10 days. How many more men will be required to do the same job in 3 days?

A.$45$
B.$50$
C.$30$
D.$35$Correct answer

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Quick fact: The number of additional men required is $35$.

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