The radius of a balloon is increasing at the rate of
Download now India's Best Exam Prepration App
Class 8-9-10, JEE & NEET
Video Lectures
Live Sessions
Study Material
Tests
Previous Year Paper
Revision
Question:
The radius of a balloon is increasing at the rate of $10 \mathrm{~m} / \mathrm{s}$. At what rate is the surface area of the balloon increasing when the radius is $15 \mathrm{~cm}$ ?
