BA LLB Banaras Hindu University 2017 Solved Paper

Question : 121 of 170

Marks: +1, -0

The diameters of two cylinders, whose volumes are equal, are in the ratio

3: 2

. Their heights will be in the ratio

Solution:

\;{v_{1}}/{v_{2}}=\;{π r_{1}^{2} h_{1}}/{π r_{2}^{2} h_{2}}=\;{1}/{1}

⇒ \;\; (\;{3}/{2})^{2} × \;{h_{1}}/{h_{2}}=1

∴ \;\; h_{1}: h_{2}=4: 9

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