railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work Work Efficiency
A can complete \(\frac{3}{8}\) of a certain work in 9 days and B can complete 80% of the same work in 16 days. Both work together for 5 days. C alone completes the remaining work in \(6 \frac{1}{2}\) days. A and C together will complete the whole work in:
1
9 days
2
10 days
3
8 days
4
6 days