BANK IBPS RRB Clerk 2025 Mock Test Series (Pre + Mains) Quantitative Aptitude Time and Work Work Efficiency
A is 66(2/3)% more efficient than B. If A and B working together can do a piece of work in 45 days, in how much time B alone can do the same work?
1
150 days
2
130 days
3
80 days
4
120 days
5
90 days