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Quantitative Aptitude

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Work and Time

Question
9 out of 25
 

A person can do a piece of work in 75 days and another person B can do the same piece of work in 45 days they work together for 15 days and then A leaves. In how many day will B finished the remaining work



A 16 day
B 28 day
C 24 day
D 25 day
E 21 day

Ans. E A 75

B 45

LCM = 225

Let total work = 225 unit

So A 3 unit

B 5 unit

In 15 day they do (3 + 5) x 15 = 120 unit

Rest work = 225 – 120 = 105 unit

B do 5 unit daily so he complete work in days

Work and Time Flashcard List

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