Question 97
A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in
Solution
Tank will be filled in 1 minute = $$\frac{1}{30}-\frac{1}{90}=\frac{3-1}{90}=\frac{2}{90}=\frac{1}{45}$$
So, tank will be filled in 45 minutes.
Get AI Help
Create a FREE account and get:
- Download RRB Study Material PDF
- 45+ RRB previous papers with solutions PDF
- 300+ Online RRB Tests for Free
