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A, B and C can complete a work in 10, 12...

A, B and C can complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?

A

4 days

B

5 days

C

7 days

D

8 days

Text Solution

Verified by Experts

The correct Answer is:
C
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