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A and B working separately can do a piec...

A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately, A beginning, in how many days, he work will be completed?

A

11 days

B

`11 1/2` days

C

`10 1/4` days

D

`10 1/2` days

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately. A beginning in how many days the work will be completed ?

    A
    `10 1/2`days
    B
    `10 1/4` days
    C
    `10 2/3` days
    D
    `10 1/3` days

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    B
    11 days
    C
    9 days
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    `10(1)/(4)`
    B
    `9(1)/(4)`
    C
    11.11
    D
    10

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