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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-2

  • question_answer
    Three cubes with sides in the ratio 3 : 4 : 5 are melted to form a single cube whose diagonal is\[12\sqrt{3}\,cm\]. The sides of the cubes are:

    A)  3 cm, 4 cm, 5 cm         

    B)  6 cm, 8 cm, 10 cm

    C)  9 cm, 12 cm, 15 cm      

    D)  7 cm, 9 cm, 14 cm

    E)  None of these

    Correct Answer: B

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