Arithmetic Questions And Answers :: Area: part2

16.The length of a rectangular plot is twice its width. If the length of a diagonal is 9 metres, the perimeter of the rectangle is:

17.The length and breadth of a square are increased by 40$ and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:

18.Of the two square fields the area of the one is 1 hectare, while the another one is broader by 1%. The difference in areas is:

19.A verandah 40 metres long 15 metres broad is to be paved with stones each measuring 6 dm by 5 dm. the number of stones required is: