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A alone can complete a piece of work in ...

A alone can complete a piece of work in 6 days and B alone can complete the same piece of work in 12 days. In how many days can A and B together complete the same piece of work ?

A

5 days

B

4 days

C

3 days

D

2 days

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A alone can complete a work in 12 days and B alone can complete the same work in 24 days. In how many days can A and B together complete the same work?

    A
    6 days
    B
    4 days
    C
    10 days
    D
    8 days

  • A' can do a piece of work in 4 days and B in 12 days. In how many days can A and B together complete the same piece of work ?

    A
    7 days
    B
    3 days
    C
    2 days
    D
    4 days

  • A alone can complete a work in 6 days and B alone can complete the same work in 8 days. In how many days both A and B together can complete the same work?

    A
    `(48)/(13)` days
    B
    `(35)/(13)` days
    C
    `(26)/(7)` days
    D
    `(24)/(7)` days