Consider the following statements.
A. If the radius of a sphere is increased by 8%, then the percentage increase in its surface area is 20.86.
B. If the side of a cube is increased by 12%, then the percentage increase in its surface area is 25.44.
C. If the radius of a circle is increased by 16%, then the percentage increase in its area is 34.56.
The correct statements among these are
1
A, B only
2
B, C only
3
A, C only
4
all of A, B, C