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Application of Derivatives question

2022 · 24 Jun · Shift 1 · Q24

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PYQ Library
JEE Main
Mathematics
Application of Derivatives
2022 · 24 Jun · Shift 1 · Q24

Application of Derivatives question

2022 · 24 Jun · Shift 1 · Q24

JEE MainMathematicsApplication of DerivativesMCQ+4 / −1

The surface area of a balloon of spherical shape being inflated, increases at a constant rate. If initially, the radius of balloon is 3 units and after 5 seconds, it becomes 7 units, then its radius after 9 seconds is :

A
9
B
10
C
11
D
12

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