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CDS 2022 · PYQ · Mensuration · medium

A bicycle wheel of radius 35 cm makes n revolutions in moving 11 km. What is the value of n? (Take π = 22/7)

  1. A.1000
  2. B.2500
  3. C.500
  4. D.5000✓ Correct

Explanation

Circumference = 2·(22/7)·35 = 220 cm = 2.2 m. n = 11000/2.2 = 5000.
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