a farmer can reap a field in 10 days while his wife can do it in 8 days. if they work together, in how much time can they reap the field.
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farmers1day work=1over10
his wifes 1day work=1over8
fsrmer+ his wifes1day work=1/10+1/8(lcm of10&8)
40is the answer.
now,
4+5over 40
9over 40
farmer and his wife together can do this work in9over 4+4
his wifes 1day work=1over8
fsrmer+ his wifes1day work=1/10+1/8(lcm of10&8)
40is the answer.
now,
4+5over 40
9over 40
farmer and his wife together can do this work in9over 4+4
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