A tank of 30 metre long, 20 metre wide and 12 metre deep is dug in a rectangular field of length 588 metre and breadth 50 metre. The earth sand so dug out is spread evenly on the remaining part of the field. The height of the field raised by it is

A circle is inscribed in a triangle with sides 28 cm, 45 cm and 53 cm. What is the area of the triangle excluding the area of the circle? (Use π = 3.14)

The parallel sides of a trapezium are 48 cm and 20 cm. Its non-parallel sides are 26 cm and 30 cm. What is the area (in cm²) of the trapezium?

The perimeter of a rectangular park is 5 km 474 m. If its length is 1 km 782 m, then its breadth is :

A hall is 42 m long and its breadth is 1/3 of length. Its floor is to be covered with tiles of 50 cm length and 30 cm breadth. Required number of tiles will be :

A hall is 42 m long and its breadth is 1/3 of length. Its floor is to be covered with tiles of 50 cm length and 30 cm breadth. Required number of tiles will be

The perimeter of a rectangular park is 5 km, 474 m. If its length is 1 km 782 m, then its breadth is

The length of a rectangular hall is twice of its breadth. If the area of the hall is 338 sq. metre, then its perimeter is

The length of the base of a triangle is 2 cm more than the corresponding height. If the area of the triangle is 220 cm³, then find the length of the base of the triangle.

Two plots of land have the same perimeter. One is square of side 24 m and the other is a rectangle of length 28 m. The difference in their areas is

The side face of a cuboid is a square having an area of 64 cm² and the longer edge in each of the four rectangular faces is of length 15 cm. The area of each rectangular face in cm² is