ibps-rrb-oa 2018 · Question 57 of 94

A alone can do a work in 40 days. The ratio of time taken by A and B to do the same work is 5 : 3. Then, find in how many days both will complete the work together ?

Time and work

1. A(a) 18 days
2. B(b) 12 days
3. C(c) 20 days
4. D(d) 15 daysCorrect
5. E(e) 10 days