A square has a perimeter equal to 24 units. If the length of each side of the square is reduced by 2 units, then find the area( in sq units) of the square.

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.

If the length and breadth of a rectangle are increased by 8 % and 12 % respectively, then by what percent does the area of that rectangle increase? 

A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 225 paise per sq m is

The base of an isosceles triangle is 6 cm and its perimeter is 16 cm. Its area is 

A rectangular plot is 32m by 24m. The owner of that plot wants to divide the plot into equal parts and for that purpose he builds a fence of wire on one diagonal. If wire costs Rs. 15.50 per metre, how much amount will be spent on fencing?

If the area of a triangle is 1176 cm² and the ratio of base corresponding altitude is 3 : 4, then the altitude of the triangle is :