Curioustab

Home » Aptitude » Volume and Surface Area

There is a cylinder circumscribing the hemisphere such that their bases are common. Find the ratio of their volumes

3/2
5/2
7/2
9/2

Correct Answer: 3/2

Explanation:

R =OA = OB = Radius of hemisphere.
= Radius of cylinder ABCD.
Height of the cylinder = BC = radius

Volume of cylinder/Volume of hemisphere = $\frac{πr}{3}$

← Previous Question Next Question→

More Questions from Volume and Surface Area

The capacity of a tank of dimensions (8m x 6m x 2.5m)is
How many iron rods, each of length 7 mts and diameter 2 cms can be made out of 0.88 cubic metre of iron ?
The areas of three consecutive faces of a cuboid are 12 cm², 20cm² and 15 cm², then the volume (in cm³) of the cuboid is
A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1cm when a man gets on it. The mass of the man is:
Water flows into a tank 200 m x 160 m through a rectangular pipe of 1.5m x 1.25 m @ 20 kmph . In what time (in minutes) will the water rise by 2 meters?
A cylindrical rod of iron, whose height is equal to its radius, is melted and cast into spherical balls whose radius is half the radius of the rod. Find the number of balls.
A rectangular box measures internally 1.6m long, 1m broad and 60cm deep. The number of cubical box each of edge 20cm that can be packed inside the box is:
The height of the wall is 6 times its width and lenght of the wall is 7 times its height .if the volume of the wall be 16128 cu.m.its width is
Which measurement unit represents volume?
If the radius of base and height of a cone are increased by 10%, find the percentage of increase of its volume

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion