24. 18 men can complete a work in 12 days by working 8
hours a day. How long will it take to complete the same
work by:
i) 20 men working 10 hours a day?
ii) 15 men working 9 hours a day?
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Answer:
8
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 15 hrs in 8 days men needed =15×812×8×10=8
∴ Men needed =8.
Hence, the answer is 8.
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