state gov UP Police Head Operator (Radio Cadre) Mock Test Quantitative Aptitude Time and Work Work Efficiency
A and B are two friends such that A’s efficiency is 50% more than that of B. If A takes 14 days to finish some work find the time taken by both of them to complete the work?
1
21 days
2
42/5 days
3
14/3 days
4
28/3 days