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Volume and Surface Area of Solid Figures

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  1. If height of a cylinder is increased by 17.5 % while its radius remains unchanged, by what percent does its volume increase ?
    1. 17.5%
    2. 18%
    3. 19.8%
    4. 25%
Correct Option: D

If the radius remains unchanged
Then, x = y = 0 and z = 17.5 %
∴ Net increase in volume = 17.5%


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