defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Time and Work
A, B and C can do a work in 36, 72 and 54 days respectively. They started the work together but A left 8 days before the completion of the work and C left 12 days before the completion of the work. In how many days was the work completed?
1
20
2
21
3
24
4
25