P, Q, R and S are working on a project. Q can finish the task in 25 days,…
GATE · 2016 · ME · Set 1 · General Aptitude
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
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