Question

8. P and R working together can finish a work in 10 days. If P works for 4 days then remaining work is
completed in 15 days by R. Q is 2/3 rd as efficient as R. Find the time taken by Q and R to do the same
work if they are working together.
1. 10 days
2.11 days
3.9 %2 days
5.15 days
4. 12 days​

Answer 1

Answer:

1.

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