Q147
Water is flowing at the rate of 5 km/hr through a cylindrical pipe of diameter 14 cm into a rectangular tank which is 50 m long and 44 m wide. Determine the time in which the level of water in the tank will rise by 7 cm :
A.
1 hour
B.
hours
C.
2 hours
AnswerD.
3 hours
Answer: Option C
Solution
Answer: Option C
Solution:
Volume of water flown into the tank :Volume of water flowing through the pipe in 1 hour :
∴ Required time