P can do a certain work in 18 days.
P can do a certain work in 18 days. Q is 60% more efficient than P. How many days does Q alone take to do the same job?
Answer/Solution
11.25
Steps/Work
Each day, P can do 1/18 of the work.
Each day, Q can do 1.6/18 of the work = 16/180 of the work
The time taken by B alone to complete the total work is 180/16 = 11.25 days.
The answer is D.
Each day, Q can do 1.6/18 of the work = 16/180 of the work
The time taken by B alone to complete the total work is 180/16 = 11.25 days.
The answer is D.