A cube of edge 15 cm is imersed completely in a rectangular vessel containing water. If the dimensions of the base of vessel are 20 cm * 15 cm, find the rise in waer level.
Select the correct option:
A) 11.25 cm.
B) 12.25 cm
C) 13.25 cm
D) 14.25 cm
E) None of these
Sol. Increase in volume = Volume of the cube = (15 * 15 * 15) cm³.   ∴ Rise in water level = [Volume/Area] = [15 * 15 * 15/20 * 15] cm = 11.25 cm.   11.25 cm.nswer 11.25 cm.
<result>A</result>
A cube of edge 15 cm is imersed completely in a rectangular vessel containing water. If the dimensions of the base of vessel are 20 cm * 15 cm, find the rise in waer level.