A cylindrical vessel of radius 20.3 m is full of water. If 10749662 liters of water is taken out from it, then find the drop in the water level in the vessel.
(a) 9.2
(b) 9.4
(c) 8.3
(d) 6.8
Sol:
Volume of cylindrical vessel = πr²h
ATQ,
∵ Drop in water level is equal to decrease in height.
