Ayan Chowdhury
Ayan Chowdhury
7 years ago

A and B working separately can do a piece of work in 9 and 15 days respectively .If they work for a day alternately , with A beginning , then the work will be completed in ______days?

A. 10 days

B. 11 days

C. 9 days

D. 12 days

Answer: Option B


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Comments ( 1 )

  1. Ayan Chowdhury
    Ayan Chowdhury :
    7 years ago

    Please answer me with details I am waiting ..

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