If the radius of a circle be increased by 3 times, then how many times its circumference will be increased ?

If the radius of a circle is increased three times, by how many times will the circumference increase ?

If the radius of a circle is increased to 3xx, then how many xx will its circumference be increased? (1)/(3) xx (b) 2 xx (c) 3 xx (d) 9 xx

If the radius of a sphere becomes 3 times then how many times will its volume be?

If the radius of a sphere becomes 3 times then how many times will its volume be?

If the height and the area of base of a right circular cone be increased by 4 times, then how many times the volume of the cone will be increased ?

If the radius of a circle is increased by 75%, then its circumference will increase by (a) 25% (b) 50% (c) 75% (d) 100%

If the radius of a circle is increased by 20% then by how much will its area be increased?

If the radius of base and height of a right circular cone be increased by 3 times , then the volume of the cone will be increased by 27 times.