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A certain job was assigned to a group of men to did do it in 20 days. But 12 men did not turn up for the job and the remaining men did the job in 32 days. The original number of men in the group was
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Explanation:
Let originally there were x men in the group.
∴(x – 12) men did the job in 32 days
∴ 20x = 32 (x – 12)
=> x = 32