Q21
A tank with capacity T liters is empty. If water flows into the tank from pipe X at the rate of x liters per minute and water is pumped out by Y at the rate of y liters per minute and x > y, then how many minutes will the tank be filled?
A.
(x - y) 60 T minutes
B.
(T - x) minutes
C.
minutes
AnswerD.
minutes
Answer: Option C
Solution
Answer: Option C
Solution:
Net volume filled in 1 minute= (x - y) liters
∴ The tank will be filled in
= minutes