Arithmetic Ability
Time and Work

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Q.

A and B together finish a wor in 20 days.They worked together for 15 days and then B left. Afer another 10 days,A finished the remaining work. In how many days A alone can finish the job?

View Answer

Correct choice: B

Explanation:

(A+B)'s 15 days work = (1/20×15)=3/4 Remaining work = 1/4 Now, 1/4 work is done by A in 10 days. Whole work will be done by A in (10 x 4) = 40 days.
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