The Total solution for NCERT class 6-12
Area of the cross-section of the pipe = 5 cm2Speed of water flow = 30 cm/secPeriod = 1 minute∴ Flow of water in 1 minute= 30 x 60 cm = 1800 cmArea of mouth of pipe = 5 cm2∴ Volume = 1800 x 5 = 9000cm3Volume of water in litres = 9000 ml