Aptitude Area Quiz No8

If the area of a circle decreases by 36% then the radius of a      circle decreases by?





If the side of a square is increased by 200%, then its area is      increased by?





If the diameter of a circle is increased by 100%, then its area      is increased by?





The diameter of a wheel is 1.26 m. how far will it travel in      500 revolutions?





The area of  rectangle is      216 sq.m and its perimeter is 60m. what are its dimensions?





The perimeter of a square is 60 cm. find the area?





The diagonal of a square is 18 cm. find its area?





A garden  is 90 m long      and 75 m broad. A path 5 m wide is to build outside around. Find the area of      the path?





A path 5 m wide runs along inside a square park of side 100m.      find the area of the path in sq.m?





Two cross roads ech 2m wide run at right angles through the      center of a rectangular park of 72 m * 48 m. find the area of the roads?(      in sq m)







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