B can work thrice as much as A can do in a day. If they together can do 4/15 parts of a work in 10 days, in how many days will B finish the work alone?

Question

B can work thrice as much as A can do in a day. If they together can do 4/15  parts of a work in 10 days, in how many days will B finish the work alone?

Accepted Answer

সঠিক উত্তর: 50 days। ব্যাখ্যা:

B can work thrice as much as A can do in a day. If they together can do 4/15 parts of a work in 10 days, in how many days will B finish the work alone?

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