The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m,what is the area of the field?

The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is

The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field ?

A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered.If the area of the field is 680 sq.ft, how many feet of fencing will be required ?

The perimeters of two squares are 40 cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares .

The Diagonals of two squares are in the ratio of 2:5. find the ratio of their areas.