RRB NTPC · Question 17

P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P and Q. A. 1 : 3 B. 6 : 5 C. 5 : 6 D. 4 : 5

1. A

   A

2. B

   B

3. C

   C

4. D

   D