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247 Three cubes of side 4 cm each are jo...

247 Three cubes of side 4 cm each are joined end to end to form a cuboid. The surface area of theresulting cuboid and total surface area of the three cubes are in the ratio:(B) 7:3(C) 7:9(D) 9:7

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The correct Answer is:
`7:9`
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S CHAND IIT JEE FOUNDATION-VOLUME AND SURFACE AREA OF A CUBE AND A CUBOID-UNIT TEST - 5
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