engineering recuitment GATE EE 2023-24 Test Series General Aptitude Numerical Ability Numerical Computation
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?
1
10:11
2
11:10
3
20:21
4
21:20