other govt exam BARC DAE Junior Purchase Assistant / Junior Storekeeper Mock Test Quantitative Aptitude Time and Work Work Efficiency
P alone can complete the work in 20 days and Q alone can complete the work 30 days. They work alternatively for 4 days. After 4 days, they work together to complete the half of the work. Remaining work is completed by P. In completing the work, total days P worked is-
1
27 days
2
21 days
3
18 days
4
16 days