defence exam SSB Head Constable (Communication) 2023 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A can do a work in 4 days and B can do the same work in 8 days. They worked together for 2 days and then B left. After that, A alone completed the work. In how many days the work was completed?
1
4
2
\(2\frac{1}{2}\)
3
\(4\frac{1}{2}\)
4
3