Arithmetic Questions And Answers :: Area: part2

6.The length of a plot is four times its breadth. A playground measuring 1200 square metres occupies a third of the total area of the plot. What is the lengthof the plot in metres?

7.The ratio between the length and breadth of a rectangular field is 5:4, the breadth is 20 metres less than the length, the perimeter of the field is:

8.The length of a rectangle is increased by 60%. By what per cent would the width have to be decreased to maintain the same area?

9.The length and breadth of a playground are 36 m and 21 m respectively Flagstaffs are required to be fixed on all along the boundary at 3 distance of 3 m apart. The number of flagstaffs will be:

10.One side of a rectangular field is 4 metres and its diagonal is 50 metrs. The area of the field is: