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  1. Asked: In:

    The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find (i) its inner curved surface area, (ii) the cost of plastering this curved surface at the rate of Rs 40 per m2.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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  2. Asked: In:

    In a hot water heating system, there is a cylindrical pipe of length 28 m and diameter 5 cm. Find the total radiating surface in the system.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 1
  3. Asked: In:

    Find the lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 1
  4. Asked: In:

    Find how much steel was actually used, if 1/12 of the steel actually used was wasted in making the tank.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 1
  6. Asked: In:

    The students of a Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base, using cardboard. Each penholder was to be of radius 3 cm and height 10.5 cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors, how much cardboard was required to be bought for the competition?

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 1
  7. Asked: In:

    Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 1
  8. Asked: In:

    Find the total surface area of a cone, if its slant height is 21 m and diameter of its base is 24 m.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 1
  9. Asked: In:

    Curved surface area of a cone is 308 cm² and its slant height is 14 cm. Find (i) radius of the base and (ii) total surface area of the cone.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 0
  11. Asked: In:

    A conical tent is 10 m high and the radius of its base is 24 m. Find slant height of the tent.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

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    • 1
  12. Asked: In:

    A conical tent is 10 m high and the radius of its base is 24 m. Find cost of the canvas required to make the tent, if the cost of 1 m² canvas is Rs 70.

    Sadia

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-13/

    See less
    • 1