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1. If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it?
3 men = 4 women
1 man = women
7 man = women
7 men and 5 women = = women
4 women can plough field in 43 days
So,
1 women can plough in = 43 × 4 days
Hence,
women can plough = = 12 days
Solution:
3 men or 4 women can plough the field in 43 days3 men = 4 women
1 man = women
7 man = women
7 men and 5 women = = women
4 women can plough field in 43 days
So,
1 women can plough in = 43 × 4 days
Hence,
women can plough = = 12 days