defence exam BSF Constable (Tradesmen) 2023 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A and B can do a work in 12 days. B and C can do the same work in 8 days. C and A can do the same work in 6 days. In how many days can all three together complete three-fourths of the work?
1
8 days
2
16 days
3
2 days
4
4 days