Question

Each side of a cube is increased by 50%. Then the surface area of the cube increased by:

A) 50%
B) 100%
C) 125%
D) 150%

Cheating is not allowed means no copying from anywhere
And please write answer with full explanation......​

Answer 1

Answer:

125%

Step-by-step explanation:

After 50% increase.

each edge of the cube becomes 150/100 of the original. Thus, the surface area of the cube become (150/100)^2 = 225/100 of the original.

Hence, increase in perecentage of surface area = (225-100) = 125% .