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Q: A man is riding a bike with front and back wheel circumference of 40 inches and 70 inches respectively. If the man rides the bike on a straight road without slippage, how many inches will the man have travelled when the front wheel has made 15 revolutions more than the back wheel?

  • 1
    1100
  • 2
    1300
  • 3
    1400
  • 4
    1200
  • Show Answer
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Answer : 3. "1400"
Explanation :

Answer: C) 1400 Explanation: Given the ratio of the circumference of front wheel  is 40 inches and back wheel is 70 inches  Distance covered = Circumference of the wheel × No. of Revolutions made by the wheel If n is the number of revolutions made by back wheel, the number of revolutions made by front wheel is n+15 Distance covered by both the wheels is the same 40*(n+3)=70n n=20                   Front wheel    :      Back Wheel  Circumference       40      :      70  Revolutions           35      :      20   Distance covered  :  40×35 = 70×20 = 1400 inches.

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