A and B can do a piece of work in 30 days. A alone do the work for 16 days and B alone can do the remaining work in 44 days. Then in how many days B alone do the work ?
A
30 days
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B
40 days
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C
50 days
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D
60 days
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Solution
The correct option is B60 days Let A's one day work =x B's one day work =y (A + B)'s one day work, x+y=130.............(1) In next condition, 16x+44y=1.............(2) On solving these two equations, we get x=160 andy=160 So, B can complete the work alone in 60 days.