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the rates of working A and B are in the ratio 3:4 .the number of days taken by them to finish the work are in the ratio ....
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Sum 3:4 =3+4=7
Ratio =
A = 7+3=10 days
B = 7+4=11 days
= 10 + 11 =21 days
Ratio =
A = 7+3=10 days
B = 7+4=11 days
= 10 + 11 =21 days
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