IBPS Clerk Mains 2019 Paper

DIRECTIONS (Qs. 78-80) : Read the given information and answer the questions based on that :
Working efficiency of Rohan is 20% more than that of Mohit can alone complete a work ‘X’ in 36 days. Mohit and Ganesh together started to complete the work ‘X’ and after 10 days they both left the work and then remaining work is done by Rohan in 15 days.
Rohan and Ganesh together started to complete another work ‘Y’ and after working for 12 days they both left the work. Remaining work is done by Mohit alone in 16 days. Raju first completed work ‘X’ and then completed work ‘Y’ in total 38 days.
It is given that efficiency of all, in completing work ‘X’ and work ‘Y’ is same.