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A and B each working alone can do a work...

A and B each working alone can do a work in 15days and 25 days , respectively . They started the work together but B left after some time and A finished the remaining work in 7 days . After how many days from the start did B leave ?

A

3

B

5

C

7

D

9

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT SSC-WORK AND TIME -EXERCISE HIGHER SKILL LEVEL QUESTION
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