Water is flowing at the rate of 5 km/h through a pipe of diameter 14…

Question

Water is flowing at the rate of 5 km/h through a pipe of diameter 14 cm into a rectangular tank which is 50 m long 44 m wide. The time taken (in hours) for the rise in the level of water in the tank to be 7 cm is

Accepted Answer

Option A. 2. Answer & Solution Answer: Option A Solution: Let the time taken to fill the tank = x hours & ( r^2h ) × x = 50 × 44 × 7100 & x = 50 × 44 × 7 × 7 × 100 × 10022 × 7 × 7 × 100 × 5000 & x = 2 hours