The area of a square field is 49 hectares. Find the cost of fencing it with wire at ₹21.50 per metre.

The cost of carpeting a room 18 m long with a carpet 75 cm wide at ₹ 4.50 per metre is ₹ 810. The breadth of the room is

How long will a man take to walk around the boundary of a square field of area 25 hectares at the rate of 5 km/hr ?

A rectangular field 50 metres long and 42 metres broad contains a rectangular lawn inside it surrounded by a gravel path of uniform width. If the width of the path is 6 m, then the area of the path is

The area of a circle is 40π² . The area of a square with sides equal to radius of the circle is

The area of a rhombus is 96 square cm and one of its diagonals is of length 12 cm. What is the perimeter of the rhombus ?