A cube of edge 12cm 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? Answers.
A) 5.76 cm B) 8.25 cm C) 11.25 cm D) 15.12 cm E) 20.62 cm

Rationale: "increase in volume = volume of the cube = 12 * 12 * 12 cm ^ 3 rise in water level = volume / area = 12 * 12 * 12 / 20 * 15 = 5.76 cm answer is a"
Answer: A