A cube of edge 15cm is immersed completely in a rectangular vessel containing water. If the dimensions of the base of vessel are 20cm * 14cm , find the rise in water level?
Choose the correct choice from the following.
A) 6 cm B) 12.05 cm C) 11.25 cm D) 15.12 cm E) 20.62 cm

Rationale: "increase in volume = volume of the cube = 15 * 15 * 15 cm ^ 3 rise in water level = volume / area = 15 * 15 * 15 / 20 * 14 = 12.05 cm answer is b"
Answer: B