#### Problem Statement: ECE Board November 1992

Given a sphere of a diameter, d. What is the percentage increase in its diameter when the surface area increases by 21%?

- A. 5%
- B. 10%
- C. 21%
- D. 33%

#### Problem Answer:

The percentage increase in its diameter is **10%**.

### Latest Problem Solving in Solid Geometry

More Questions in: Solid Geometry

#### Online Questions and Answers in Solid Geometry

If you liked this, then please subscribe to our YouTube Channel for engineering video tutorials. You can also find us on Twitter and Facebook.