Gate EC-2016 – 1 Question Paper With Solutions

Q.10 P, Q, R and S are working on a project. Q can finish the task in 25 days, working alone for 12 hours a day. R can finish the task in 50 days, working alone for 12 hours per day. Q worked 12 hours a day but took sick
leave in the beginning for two days. R worked 18 hours a day on all days. What is the ratio of work done by Q and R after 7 days from the start of the project.

(A) 10 : 11

(B) 11 : 10

(C) 20 : 21

(D) 21 : 20

Answer: (C)

Explanation:

Gate EC-2016 - 1 Question Paper With Solutions

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