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A started a work and left after working for 2 days. Then B was called and he finished the work in 9 days. Had A left the work after working for 3 days, B would have finished the remaining work in 6 days. In how many days can each of them, working , alone, finish the whole work? `2. d a y s ,\ 7. 5\ d a y s` b. `5\ d a y s ,\ 8. 5\ d a y s` c. `5\ d a y s ,\ 15\ d a y s` d. none of these

A

5 days, 8.5 days

B

2.5 days, 7.5 days

C

5 days, 15 days

D

3 days, 15 days

Text Solution

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The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-TIME AND WORK -Question Bank - 20 (a)
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