engineering recuitment UPCL AE (E&M) 2021 Mock Test Quantitative Aptitude Time and Work Work Efficiency
Kamal can do a piece of work in 12 days which Debashis can finish in 10 days. If they work at it on alternate days with Debashis beginning, in how many days, the work will be finished ?
1
11 days
2
\(10\frac{5}{6}\)days
3
\(11\frac{3}{4}\)days
4
\(11\frac{2}{7}\)days