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40 circular plates each of radius 7 cm a...

40 circular plates each of radius 7 cm and thickness 1.5 cm are placed one above the other to form a solid right circular cylindr. Find the total surface area and volume of cylinder so formed.

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The correct Answer is:
2948 `cm^(2)`,9240 `cm^(3)`
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NAGEEN PRAKASHAN-VOLUME AND SURFACE AREA OF SOLIDS-Exercise
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  14. A metallic sphere of radus 4 cm and a metallic cone of base readius 3 ...

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  15. How many solid speherical balls of radus 3.5 cm can be recast by melt...

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  19. How many metallic cones of radius 3 cm and height 13.5 cm are required...

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  20. The inner radius of a hemispherical cup is 9 cm and it is completely ...

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