RRB JE 29th May 2019 Shift-3

Question 58

P can do some work in 9 days. If Q is 50% more efficient than P, then how long will Q take to do the work ?

Solution

Time taken by P:Q=150:100.

So, 9:x = 150:100.

or,x=900/150=6.

So, Q will take 6 days.

C is correct choice.


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