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Surface Areas a...

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  • Question 1
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    The ratio of radii of a cylinder and cone is 1: 3 and the ratio of their heights is 3: 4. What is the ratio of the volumes of the cylinder and the cone?

  • Question 2
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    Use the following information to answer the next question.

    Manjit packs 15 gifts in 10 cubical and 5 cuboidal boxes. The dimensions of each cubical box is (20 cm × 20 cm × 20 cm) and that of each cuboidal box is (20 cm × 14 cm × 12 cm). These boxes are to be covered with glossy paper.

    If the cost of glossy paper is Rs 5 per square metre, then what is the total cost of covering the boxes with glossy paper?

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