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Q. A boy rides his bicycle 10km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately ?

  • (A) 10.4 km/hr
  • (B) 10.8 km/hr
  • (C) 11.0 km/hr
  • (D) 12.2 km/hr
  • Correct Answer - Option(B)
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  • Filed under category Math
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