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3 men A, B, C can complete the work in 10, 12 and 15 days. If A, B and C start working together. After 2 days A left the work and after next 2 days C also left. Then find in how many days the whole work will be completed ?

A

6

B

`6(2)/(5)`

C

7

D

`4(2)/(5)`

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The correct Answer is:
B
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