RD Sharma Solutions Class 11 Mathematical Reasoning Exercise 31.5

RD Sharma Solutions Class 11 Chapter 31 Exercise 31.5

RD Sharma Class 11 Solutions Chapter 31 Ex 31.5 PDF Free Download

Exercise 31.5


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A spherical balloon is pumped at the rate of 10inch3/min, the rate of increase of its radius if its radius is 15 inch is