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Quantitative Aptitude

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Work and Time

Question
22 out of 25
 

A alone can do a piece of work in 15 days and B alone in 10 days. B alone works at it for 5 days and leaves. A will take how many days to finish the remaining work?



A 7 ½ days
B 8 days
C 6 ½ days
D 9 days
E None of These

Ans. A A – 15

B – 10

Let total work = 30 unit

So per unit work

A 2 unit

B 3 unit x 5 = 15 unit

So work = 30 – 15 = 15 unit

So A can do it in days

Work and Time Flashcard List

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