If 12 man work 8 hours a day to complete a work in 10 days, how many men working 14 hours a day can complete the work in 7 days
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9 mens needed
Step-by-step explanation:
Working 8 hrs in a day men needed =12
⇒ Working 1 hr in 1 day men needed =12×8×10
⇒ Working 14 hrs in 7 days men needed =
12×7×10
________ = 9
14×7
∴ Men needed =9
Hence, the answer is 9
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