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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
A cone of base radius $1$ and height $15,m$ is melted to form a sphere of equal radius. Find radius nearer to:
Solution
Volume of cone $= \dfrac{1}{3}\pi r^2 h = \dfrac{1}{3}\pi(1)^2(15)=5\pi$. Let sphere radius $= R$, then $\dfrac{4}{3}\pi R^3 = 5\pi \Rightarrow R^3 = \dfrac{15}{4} \Rightarrow R \approx 0.5$.Online Test Series, Information About Examination,
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