engineering recuitment NPCIL Plant Operator Mock Test Quantitative Aptitude Time and Work Work Efficiency
A can do \(\frac{3}{5}th\) of a work in 12 days, B can do \(\frac{1}{3}rd\) of that work in 15 days. They worked together for 12 days and then A left the work , B alone will complete the remaining work in?
1
9 days
2
6 days
3
4 days
4
5 days