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A piece of work can be done by 8 men or 12 boys in 20 days. How long will it be taken by 6 men and 6 boys to complete the work? a) 18 days b) 17 days c) 16 days. d) 19 days Plz explain with ur answer in easiest Method |
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Answer» 8 man in 20 days COMPLETE 1 work 1 man in 20 days will complete 1÷8 work 1 man in 1 day will complete (1÷8)÷20 work similarly 1 boy in 1 day will complete (1÷12)÷20 work now 6 boys in 1 day will complete (1÷12)÷20×6 now 6 man in 1 day will complete (1÷8)÷20×6 now 6 man 6 boy in 1 day will complete =0.0625 work now to do 1 work 6 man 6 boy will TAKE 1÷0.0625= 16 days |
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