A certain piece of work can be completed by 12 men in 9 days. After they have worked for six days, six more men joined them. How many days
will it take to complete the remaining work?
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Answer:
4 1/2 days
Step-by-step explanation:
12 men can complete 1/3 work in 3 clays.
Remaining 2/3 work in 6 days.
One man can complete 2/3 of work in (12×6)
= '72 days
Number of men 12 - 2 + 6 = 16
16 men can complete 2/3 of work in 72/16 days
= 48 1/6 days = 4 1/2 days
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