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Four identical cubes are joined end to end to form a cuboid. If the total surface area of the resulting cuboid is `684cm^(2)`, find the length of edge of each cube. Also, find the ratio between the surface area of the resulting cuboid and the surface area of a cube.

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The correct Answer is:
6cm and `3:1`
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ICSE-SOLIDS-Exercise 21(A)
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  12. The external dimensions of a closed wooden box are 27cm, 19cm and 11cm...

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  13. The external dimensions of a closed wooden box are 27cm, 19cm and 11cm...

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  15. A closed rectangular box is made of wood of 1.5cm thickness. The exter...

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  16. The square on the diagonal of a cube has an area of 1875 sq. cm. Calcu...

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  17. The square on the diagonal of a cube has an area of 1875 sq. cm. Calcu...

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  18. A hollow square-shaped tube open at both ends is made of iron. The int...

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  19. Four identical cubes are joined end to end to form a cuboid. If the to...

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