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Two cubes each of edge 12 cm are joined....

Two cubes each of edge 12 cm are joined. The surface area of new cuboid is :

A

`140 cm^2`

B

`1440 cm^2`

C

`144 cm^2`

D

`72 cm^2`

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MBD-Surface Areas and Volumes-Exercise
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  12. In a hot water heating system, there is a cylindrical pipe of length 2...

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  13. The curved surface area of a right circular cone of slant height 10 cm...

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  14. The height of a cone is 16 cm and base radius is 12 cm. Find the slant...

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  15. Curved surface area of a cone of base radius 12 cm and height 16 cm is...

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  16. The curved surface area of a cone of slant height 10 cm and base diame...

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  17. The slant height of a cone is 26 m and base diameter is 20 m. Its heig...

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  18. The curved surface area of a cone is 308 cm^2 and its slant height is ...

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  19. A conical tent is 10 m high and the radius of its base is 24 m. The sl...

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  20. The slant height and base diameter of a conical tomb are 25 m and 14 m...

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