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3 men A, B and C can complete the work i...

3 men A, B and C can complete the work in 10, 12 and 15 days. A, B, C start work together but A left the work after two days. and B left the work 1 day before the completion of the work. In how much time the whole work will be completed?

A

`5(8)/(9)`

B

`2(8)/(9)`

C

6

D

5

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The correct Answer is:
A
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