"Water flows through a cylindrical pipe of internal diameter 7 cm at 2 m per second. If the
Channel: Doubtnut
Date: 2020-04-05

"Water flows
 through a cylindrical pipe of internal diameter 7 cm at 2 m per second. If
 the pipe is always half full, then what is the volume of water (in litres)
 discharged in 10 minutes?
(a) 2310 (b) 3850 (c) 4620 (d) 9240"