Arithmetic Ability
Percentage

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Q.

Each edge of a cube is increased by 20% then the percentage increase in surface area of the cube is :

View Answer

Correct choice: C

Explanation:

The surface area of a cube = 6a2 = 6 side2 New Surface area = 6 x 1.44a2 Therefore, 0.44a2a2x100 = 44%
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