The perimeter of a square and a circular field are same. If the area of circular field is 3850 sq meter. What is the area in meter of the square?

A man crosses a diagonal of square in two minutes at the speed of 6 km./hr. Find the area of the square-

A school play ground is 120 m long and 80 m wide, there is 2 m wide path parallel to its width and and Parallel to its length. The area of remaining ground.

The area of two equilateral triangles are in the ratio 25 : 36 . Their altitudes will be in the ratio: 

The perimeter of a square and equilateral triangle is the same. If the diagonal of the square is $$ {6 \ sqrt {2}} $$ cm, then the area (square cm) of the triangle is

A hemispherical cup of radius 4 cm is filled to the brim with coffee. The coffee is then poured into a vertical cone of radius 8 cm and height 16 cm. The percentage of the volume of the cone that remains empty is:

Find the inner surface area of all walls of a rectangular room with length 7 m breadth 5 m and height 3.5 m -  

The perimeter of rectangle of length 2 (x + 3) cm and breadth 2 (x + 1) cm is double the perimeter of a square of area 225 cm². Find the area of rectangle.