If A and B together can do a piece of work in 5 days, and A alone can do the same work in 10 days, then in how many days can B alone do the same piece of work?
If A and B together can do a piece of work in 5 days, and A alone can do the same work in 10 days.
Let's assume the total work is 10 units.
Efficiency of A =Â $$\frac{10}{10}$$ = 1 unit/day
Efficiency of A and B together = $$\frac{10}{5}$$ = 2 units/day
Efficiency of B = 2-1 = 1Â unit/day
Time taken by BÂ alone to do the same piece of work =Â $$\frac{10}{1}$$
=Â 10 days
Create a FREE account and get:
Day-wise Structured & Planned Preparation Guide
By proceeding you agree to create your account
Free CAT Schedule PDF will be sent to your email address soon !!!
