12 men and 15 women can reap a field in 14 days. Find the number of days that 7 men and 5 women will take to reap it?
Answer: 168/11 days
Explanation
12 men=15women
1man=(15/12)=(5/4) women
7 men=35/4 women
(35/4+5 )=55/4
15 women=14 days
55/4 women=(15*14*4)/55= 168/11 days
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