JEE Main & Advanced
Mathematics
Applications of Derivatives
Question Bank
Mock Test - Application of Derivatives
question_answer
The radius of the base of a cone is increasing at the rate of 3 cm/min and altitude is decreasing at the rate of 4 cm/min the rate of change (\[c{{m}^{2}}/\sec \]) of lateral surface when the radius is 7 cm and altitude is 24 cm is _______.