Find the number of sides in a polygon in which each internal angle is 120° ?
The curved surface area of a hemisphere is 72π cm2, then its radius is:
The base of a right prism is a regular hexagon of side 5 cm. If its height is 12 √3 cm, then its volume (in cm²) is:
The ratio of the height of cylinder and cone is 14:27, and ratio of the radius is 6:7. The cylinder and cone are transformed into two cubes, respectivel...
A bus covers some distance at a certain speed. If a person covers one-third of that distance in triple time, then the ratio of the speed of the person t...
A cone and a hemisphere have the same base radius and the same height. If the total volume of both is 2,160 cm³, find the radius.
If the diameter of a sphere is 63 cm, then what is the total surface area of the sphere?
'O' is a point in the interior of an equilateral triangle. The perpendicular distance from 'O' to the sides are Ö 3 cm, 2Ö 3 cm, 5Ö 3 cm. The perimet...
A solid cube, whose edge is of length 40 cm, is melted. Identical solid cubes, each of volume 64 cm3, are made of this molten cube, without a...
The volume of a solid cube is 2744 m3. If whole cube is to be painted at a rate of Rs. 7.5 per m2, then what will be the cost of p...
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