JEE Main 2013 — Application of Derivatives Question with Solution
JEE Main 2013 (25 Apr Online)
Question
A spherical balloon is being inflated at the rate of . The rate of increase in the surface area (in .) of the balloon when its diameter is , is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A10
Step-by-step explanation
Volume of sphere
or
Surface area of sphere
Now, diameter
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Application of Derivatives chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2013, covering the Application of Derivatives chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.