Arithmetic Ability
Time and Work

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Q.

A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ?

View Answer

Correct choice: C

Explanation:

A can do the work = 18 days B can do the work = 18/2 = 9 days (A + B)'s 1 day work = 1/18 + 1/9 = 1/6 => In 3 days = 3x1/6 = 1/2 work is completed.
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