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Quantitative Aptitude

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Work and Time

Question
17 out of 30
 

Xamion can dig a trench in 20 days. After he has done half the job, Yakov begins to fill the dug out trench and Xamion goes on digging the trench. The trench is dug out in 30 more days. How many days would Yakov take to fill in the dugout the trench?



A 60 days
B 45 days
C 20 days
D 30 days
E None of These

Ans. D Xiam can done half job in

When Xiam & Yokov work together they work in one day

So Yakov do half job in 15 day

So he done full job in 30 day.

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