A right triangle ABC with sides 9 cm ,12cm and 15cm is revolved about the side 12 cm. What is the volume of the solid so obtained? (in cm 3 )
If the length of the rectangle is increased by 40%, by what percent should the width be reduced to maintain the same area?
If the lateral surface area of a regular tetrahedron is 75√2 cm², determine the volume of the tetrahedron
The base and height of a triangle measure 20 cm and 10 cm, respectively. The triangle's area is the same as that of a rectangle with a length of 25 cm....
In a store room there are one windows and one door. The area of the windows is 1.25m2, which is (¼) of the area of the door. The cost of pai...
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 144 cm. If each side of a square is 25% more than the brea...
If the ratio of areas of two circle is 4:25, then the ratio of their circumferences will be:
The base of a pyramid is an equilateral triangle whose each side is 10 cm. Its slant edge is 30 cm. What is the total surface area (in cm²) of the pyra...
The height of a right circular cone is 18 cm. If the volume of the cone is 4158 cm³, find the ratio of the height of the cone to...
A Bullet is cylindrical up to a height of 40 cm and conical above it. If its diameter is 35 cm and the slant height of the Conical part is 22cm, then th...
