1. A man undertakes to do a certain work in 150 days. He employs 200 men. He finds that only a quarter of the work is done in 50 days. The number of additional men that should be appointed so that the whole work will be finished in time is :
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By: anil on 05 May 2019 01.57 am
lcm of 150,200,50 = 600 lets assume total work to be 600 units work completed in 50 days = 600*$$frac{1}{4}$$ = 150 units work left to be completed in 100 days = 450 units actual work completed by per man per day = $$frac{150}{50*200}$$ 100 days of work per man = $$frac{150*100}{50*200}$$ = 1.5 units total men needed to complete the leftover work = $$frac{450}{1.5}$$ = 300 men so additional men needed = 300-200 = 100 men
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