Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The edge of a cube is increasing at the rate of 
How fast is the volume of the cube increasing when the edge is 12 cm long
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
Let velocity 
(Increasing the rate/sec is called the velocity)
.....(i)
Where a is distance and t is time.
But if a is edge of a cube, then 
Differentiating w.r.t. time t , so
( 
edge 
.
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