MHT CET 2026 Mathematics question

Mathematics Application of Derivatives MHT CET 2026

A spherical snow ball is melting so that its volume is decreasing at the rate of 8 c.c./sec then the rate of change of radius when the radius is 2 cm, is :

(A)The radius is increasing at the rate of cm/s
(B)The radius is decreasing at the rate of cm/sCorrect
(C)The radius is increasing at the rate of cm/s
(D)The radius is decreasing at the rate of cm/s

Answer: (B)

Solution

. Volume is decreasing at 8 cc/s, so . At : cm/s. The negative sign means the radius is

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Question ID VK-099140