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Q: A bike covers a distance of 420 meters in 84 seconds. What is its speed? एक बाइक 84 सेकण्ड में 420 मीटर की दूरी तय करती है। इसकी गति क्या है?
  • A. 20 km/hour/कि.मी./घंटा
  • B. 12 km/hour/कि.मी./घंटा
  • C. 24 km/hour/कि.मी./घंटा
  • D. 18 km/hour/कि.मी./घंटा
Correct Answer: Option D -
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Explanations:

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