engineering recuitment FSSAI Assistant Mock Test 2021 Quantitative Aptitude Time and Work Work Efficiency
A can do a piece of work in 20 days, B in 60 days and C can do \(\frac{1}{9}\)th part of the same work in 15 days. If A is assisted by B and C, respectively on alternate days (first day A and B, second day A and C and so on), then the work will be finished on:
1
16th days
2
17th days
3
14th days
4
15th days