CAT 2019 Slot 1 QA Q32 Time, Speed & Distance

Question 32 of the Quantitative Ability (QA) section, CAT 2019 Slot 1, with CAT's official answer.

The wheels of bicycles A and B have radii 30 cm and 40 cm, respectively. While traveling a certain distance, each wheel of A required 5000 more revolutions than each wheel of B. If bicycle B traveled this distance in 45 minutes, then its speed, in km per hour, was
  1. A
    18π
  2. B
    16π
  3. C
    12π
  4. D
    14π

Answer: (B) 16π Time, Speed & Distance MCQ

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