railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work Work Efficiency
A and B take 8 days to complete a task. If A alone can do the same task in 24 days, then B alone can do the same task in?
1
10 days
2
12 days
3
20 days
4
24 days