engineering recuitment HPCL Engineer Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
A and B can do a piece of work in 15 days, while B and C can do the same work in 12 days, and C and A in 10 days. They all work together for 5 days, and then B and C leave. How many days more will A take to finish the work?
1
12
2
4
3
15
4
9