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 A can do a work in 60days and B in 12 days.Then A and B together do the work in,how many days?

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 A can do a work in 60days and B in 12 days.Then A and B together do the work in,how many days?

A). 5 days

B).

4 days

C). 10 days

D). 2 days


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0 vote
Answered by on | Votes 0 |

10 days



A's 1day's work = 1/60
B's 1day's work = 1/12
They work together = 1/60 + 1/12 = 10 days 

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