The circumference of a circle is 22 cm and the length of the rectangle is 3 times the radius of the circle. Find the area (in cm2) of the rec...
The cost of fencing a rectangular field at the rate of Rs. 3/metre is Rs. 270. If the length of the field is 11 metres more than its breadth, then find ...
The radius of a cylinder is increased by 20%, and its height is decreased by 10%. Find the percentage change in the volume of the cylinder.
What will be the total surface area of a triangular pyramid whose sides are all 1 cm long?
A giant circular wheel has a diameter of 49 metres. In how many revolutions will the wheel cover a total of 30.8 km?
Two paths of width 6 metres are to be made in the centre of rectangular field such that they are perpendicular to each other. Find the area (in m2<...
Curved surface area of cylinder is 646.8 cm2. If ratio of radius to height of the cylinder is 10:4 respectively, then find the base area of t...
Ali the barber shaved 32% of his customers and gave a haircut to 64% of his customers. He charged Rs. 6 for a shave and Rs. 4 for a haircut. If 15% of c...

The height of a right circular cone is 35 cm and the area of its curved surface is four times the area of its base. What is the volume of the cone (in ...