defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Time and Work
The ratio of efficiencies of A and B is 9 ∶ 7. Working together, they can complete a certain work in 5\(\frac{1}{4}\) days. A alone completed \(\frac{3}{7}\) part of work and B alone completed the remaining work. The total number of days in which the entire work got completed is:
1
10\(\frac{5}{14}\)
2
9\(\frac{3}{14}\)
3
10\(\frac{6}{7}\)
4
12\(\frac{5}{7}\)