general math MCQ #293

If the radius of the sphere is doubled then it's volume increases by what factor?

general math MCQ #293

  1. Question 1

    Q1. If the radius of the sphere is doubled then it's volume increases by what factor?

    • A) 1
    • B) 2
    • C) 7
    • D) 8

    Answer: 8

    Explanation: Volume of sphere ∝ r³; if r doubles, volume increases by 2³ = 8 times.