36 women can reap a field in 40 days. If the field is reaped by 14 men and 8 women, then how many days
they will take to reap the field completely? It is given that 7 men are equivalent to 4 women.
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12 men can reap the field in 14 days. That means that the average man reaps 1/(12x14) or 1/168 of the field per day, and 8 men reap 8/168, or 1/21 of the field per day.
18 women can reap the field in 14 days. So the average woman reaps 1/(18x14) or 1/252 of the field per day, and 16 women reap 16/252 of the field per day.
1/21 = 12/252
12/252 + 16/252 = 28/252 = 1/9 of the field is reaped by the group each day.
It will take 9 days to reap the field.
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