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6 men do a piece of work in 10 days with an effort of 6 hrs/day. How many extra men are required to do the double work..

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Six men do a piece of work in 10 days with an effort of 6 hours per day. How many extra men are required for doing the work of double strength in 4 days with an effort of 5 hours per day

posted Sep 13, 2016 by anonymous

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