Multiple choice

A person covers 50 km distance in 3 hour and 40 km distance in 6 hours then find the average speed of person. एक व्यक्ति 50 किमी. दूरी को 3 घंटे में और 40 किमी दूरी को 6 घंटे में तय करता है व्यक्ति की औसत चाल ज्ञात कीजिए।

  1. 8 km/hr.(किमी./घंटा)

  2. 10 km/hr.(किमी./घंटा)

  3. 12 km/hr.(किमी./घंटा)

  4. 15 km/hr.(किमी./घंटा)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Average speed = Total distance / Total time. Total distance = 50 + 40 = 90 km. Total time = 3 + 6 = 9 hours. Average speed = 90/9 = 10 km/hr. Option B is correct.

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