The ratio of the number of English books to Hindi books in a library shelf is 5:3. If 108 Hindi books are written by Pradeep, which constitutes 36% of t...
The area of a square is 38 sq. cm more than the area of a rectangle of length 19 cm and breadth 17 cm. What will be the area of incircle of the square?
The ratio of the diagonals of a rhombus is 5:6, and the difference between their lengths is 7 cm. Find the area of the rhombus.
The length and breadth of a rectangular field are 45 m and 28 m respectively. What is its area?
A circular lawn has an inner radius of 21 metres. A track of width 7 metres surrounds the lawn. Find the cost of colouring the track at the rate of Rs....
There is a carpet of length 20 m. How many small pieces of carpet, each of length 4 m, can be cut out of it?
The area of the base of a right circular cone is 81π cm² and its height is 12 cm. What is the curved surface area (in cm2) of the con...
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 72 m, then find the area (in m2) of the rectangle.
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...
If the ratio of areas of two circle is 4:25, then the ratio of their circumferences will be:
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