PU-MET : Panjab University MBA Entrance Exam with MCQ Answers 2011

Practice Mode:
51.

A cylindrical tub of radius 12cm contains water upto a depth of 20 cm. A spherical iron ball is dropped in to the tub and thus the level of water is raised by 6.75cm/ The radius of the ball is :

A: 4.5 cm
B: 6cm
C: 9cm
D: 7.25 cm

The answer is: C