"Water is pound into an empty cylindrical tank at a constant rate for 5 minutes.
Channel: Doubtnut
Date: 2020-04-05

"Water is pound
 into an empty cylindrical tank at a constant rate for 5 minutes. After the
 water has been poured into the tank, the depth of the water is 7 feet. The
 radius of the tank is 100 feet. Which of the following is the best
 approximation for the rate at which the water was poured into the tank?
(a) 140 cubic
 feet/sec (b) 440 cubic feet/sec
(c) 700 cubic
 feet/sec (d) 2200 cubic feet/sec"