SSC Delhi Police MTS (Civilian) Mock Test Series Quantitative Aptitude Time and Work Work Efficiency
A alone can complete a work in 9 days more than (A + B) together and B alone can complete a work in 36 days more than (A + B) together. In how many days can A and B together complete the work?
1
15 days
2
21 days
3
12 days
4
18 days