Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.

If the sides of a rectangle are increased by 10% find the percentage increased in its diagonals.

The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Rs. 800 per sq.metre.

A park is in the form of a square one of whose sides is 100 m . The area of the park excluding the circular lawn in the centre of the park is 8614 m 2. The radius of the circular lawn is?

If the diagonal of a rectangle is 17cm long and its perimeter is 46 cm. Find the area of the rectangle.

The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

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