defence exam CRPF Head Constable Ministerial & ASI 2022 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A can do a piece of work in 28 days and B in 30 days. If they together work on it for 10 days, and the remaining work is completed by C in 5 days, then in how many days C can do the same work alone?
1
15 days
2
20\(\frac{3}{8}\)days
3
16\(\frac{2}{13}\)days
4
16\(\frac{2}{3}\)days