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JEE-MAIN 2020
03-09-2020 S2
Question
If the surface area of a cube is increasing at a rate of $3.6 \mathrm{~cm}^2 / \mathrm{sec}$, retaining its shape; then the rate of change of its volume (in $\mathrm{cm}^3 / \mathrm{sec}$ ), when the length of a side of the cube is 10 cm , is:
Select the correct option:
A
9
B
20
C
10
D
18
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Mathematics
Easy
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