defence exam CISF Constable Tradesman 2025 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A and B together can complete a piece of work in 12 days: B and C together can complete it in 15 days. If A is twice as good a workman as C, in how many days will A alone complete the same work?
1
45
2
60
3
75
4
30