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  • Mensuration of Plain Figures
  • A circular disc of area 0.49 pi sq. metres rolls down a l...
Multiple choice

A circular disc of area 0.49 pi sq. metres rolls down a length of 2.2 km. The number of revolutions it makes is

  1. 300

  2. 400

  3. 600

  4. 500

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

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