7men cab complete a work in 12 days. If they work for 5 days and 2 men left then how many days required to complete the remaining work
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Answer:
9.8 days will be required to complete the remaining work
Step-by-step explanation:
Given that 7 men can complete work in 12 days
Total work = 7 × 12 = 84 man days work
1 day work of 7 men = 7 man days work
5 day work of 7 men = 7 × 5 = 35 man days work
Work remaining after 5 days = (84 - 35) man days work = 49 man days work
Now, after day 5, 2 men left
Number of men remaining = 7 - 2 = 5 men
5 men can complete 5 man days work in 1 day
5 men can complete 49 man days work in 49/5 days = 9.8 days
Thus, 9.8 days will be required to complete the remaining work
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