A cube of edge 10cm is immersed completely in a rectangular vessel containing water. If the dimensions of the base of vessel are 20cm * 15cm , find the rise in water level?  Pick.
A) 6 cm  B) 8.25 cm  C) 11.25 cm  D) 15.12 cm  E) 3.33 cm

Rationale: increase in volume = volume of the cube = 10 * 10 * 10 cm ^ 3 rise in water level = volume / area = 10 * 10 * 10 / 20 * 15 = 3.33 cm answer is e
Answer: E