Wipro Company Numerical Ability Geometry

A cylindrical vessel of radius 4 cm contains water. A solid sphere of radius 3 cm is lowered into the water until it is completely immeresed. The water level in the vessel will rise by
a. 9/2 cm
b. 9/4 cm
c. 4/9 cm
d. 2/9 cm
e. None of these

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Wipro Other Question

Two-third of one-seventh of a number is 87.5% of 240. Whar is the number?
a. 2670
b. 2450
c. 2205
d. 1470
e. None of these
At what rate perscent per annum of simple interest, will a sum of money double itself in 12 years?
a. 7 1/2%
b. 8%
c. 9%
d. 8 1/3%
e. None of these