Question

A man alone can do a work in 25 days. A woman can complete

Q: Answer-A man alone can do a work in 25 days. A woman can complete half of the same work in 20 days. In how...

ATQ,Time taken by the woman to finish the entire work 20 0.5 40 daysLet the total work be 200 units. LCM of 25 and 40So, efficiency of the man 200 25 8 unitsdayAnd efficiency of the woman 200 40 5 unitsdaySo, required time 200 0.9 8 5 13.85 days

half of the same work in 20 days. In how many days can they complete 90% of the work together?

A 14.32 days

B 18.18 days

C 16.67 days

D 13.85 days

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A man alone can do a work in 25 days. A woman can complete

Solution