Arithmetic Questions And Answers :: Area: part5

1.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:

2.A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. the cost of flooring the verandah at the rate of Rs. 3.50 per sq. metre is:

3.A rectangle has 15 cm as its length and 150 cm2 as its area. Its area is increased to 1 times the orginial area by increasing only its length. Its new perimetrer is:

4.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?

5.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: