If the radius of a circle is diminished by 10%, then its area is diminished by (a) 10%        (b) 19%       (c) 20%       (d) 36%

If the radius of a circle is decreased by 10% , then the area of the circle is decreased by

If the radius of a sphere is increased by 10%, then the volume will be increased by (a) 33.1% (b) 30% (c) 50% (d) 10%

If each side of a square is increased by 10%, its area will be increased by (a) 10% (b) 21% (c) 44% (d) 100%

If the side of an equilateral triangle is decreased by 20%, its area is decreased by (a) 36% (b) 40% (c) 60% (d) 64%

If the radius of a circle is decreased by 10%, then what will be the percentage decrease in the area of circle?

If the pressure of a gas is increased by 10% and the volume is increased by 20%, then

The slant height of a cone is increased by 10%. If the radius remains the same, the curved surface area is increased by (a) 10% (b) 12.1% (c) 20% (d) 21%

The slant height of a cone is increased by 10%. If the radius remains the same, the curved surface area is increased by (a) 10% (b) 12.1% (c) 20% (d) 21%

Fill in the blanks so as to make each of the following statements true : If the radius of a circle diminished by 10%, its area diminishes by …….. %.