A horizontal pipe of cross- sectional area 5 cm2 is connected to a venturimeter of throat 3 cm2 as shown in the figure below. The manometer reading is equivalent to 5 cm of water.
The discharge is nearly
a) 0.45 cm3/s b) 5.5 cm3/s
c) 21.0 cm3/s d) 370 cm3/s