engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
A and B can do a piece of work in 36 days. B and C can do it in 60 days. A and C can do it in 45 days. In what time can A alone do it?
1
75 days
2
60 days
3
50 days
4
40 days