defence exam Agniveer Navy MR Mock Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
A, B and C can do a piece of work in 20, 40 and 80 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
1
7 days
2
15 days
3
18 days
4
16 days