"Water flows through a cylindrical pipe of internal diameter 7 cm at the rate of `5\ m//s`.
Channel: Doubtnut
Date: 2020-04-05

"Water flows through a cylindrical pipe of internal
 diameter 7 cm at the rate of `5\ m//s`
. The time, in minutes, the -pipe would take to
 fill an empty rectangular tank `4mxx3mxx2. 31\ m`
is
`28`
b. `24`
c. `20`
d. `12`"