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Speed, Distance, and Time Problems

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Multiple Choice

A cyclist, after riding a certain distance, stopped for half an hour to repair his bicycle, after which he completes the whole journey of 30km at half speed in 5 hours. If the breakdown had occurred 10 km farther off, he would have done the whole journey is 4 hours. Find where the breakdown occurred and his original speed.

  1. 5km/hr,10km
  2. 10km/hr,10km
  3. 10km/hr,5km
  4. 5km/hr,5km