defence exam SSB Head Constable (Communication) 2023 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A can do a piece of work in 6 days . B and C can do it in 9 days . A and C can do it in 4 days . How long will B alone take to do it?
1
10 days
2
8 days
3
36 days
4
24 days