Ap Eapcet
Application Of Derivatives
AP EAPCET 2021 - 20th August Morning Shift
MCQ+1 / -02021
The diameter and altitude of a right circular
cone, at a certain instant, were found to be
10 cm and 20 cm respectively. If its diameter
is increasing at a rate of 2 cm/s, then at what
rate must its altitude change, in order to keep
its volume constant?