A and B together can do a piece of work in 10 days. A alone can finish the
30 days. In how many days will B alone finish the work?
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Answer:
15 days
Step-by-step explanation:
(A+B)'s 1 day work =1/10 work
A's 1 day work =1/30 work
B's 1day work =1/10 - 1/30
" " =1/15 work
Hence B can finish a piece of work in 15 days
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