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Q: I go to school which is 4 km away from my house at the speed of 12 km/hr and return home at the speed of 20 km/hr. What is the avarage speed?/
  • A. 15 km/hr/किमी./घंटा
  • B. 16 km/hr/किमी./घंटा
  • C.
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  • D. 18 km/hr/किमी./घंटा
Correct Answer: Option A -
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Explanations:

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