Question

Air is blown into a spherical balloon. If its diameter d is increasing at the rate of 3 cm/min, then the rate at which the volume of the balloon is increasing when d = 10 cm, is

• A. 120πcm3/min
• B. 150πcm3/min
• C. 100πcm3/min
• D. 180πcm3/min
• E. 210πcm3/min

Answer 1

Answer: (B)

150πcm3/min

Answer 2

The correct option is (B) : 150πcm3/min