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  1. Asked: In:

    The diameter of a sphere is decreased by 25%. By what per cent does its curved surface area decrease?

    Jaclin

    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
  2. Asked: In:

    A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm³) is needed to fill this capsule?

    Jaclin

    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
    • 3
  3. Asked: In:

    Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S′. Find the:

    Jaclin

    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
    • 3
  4. Asked: In:

    How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold?

    Jaclin

    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
    • 2
  6. Asked: In:

    The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?

    Jaclin

    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