Multiple choice

A man covers a distance of $500$ m in $5$ min. What will be the speed in km/hr?

  1. $2$ km/hr
  2. $4$ km/hr
  3. $6$ km/hr
  4. $8$ km/hr
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C Correct answer
Explanation

Speed = Distance / Time. 500 m = 0.5 km. 5 min = 5/60 hours = 1/12 hours. Speed = 0.5 / (1/12) = 0.5 * 12 = 6 km/hr.

AI explanation

First, convert the time of 5 minutes into hours by dividing by 60, which gives 1/12 hr. Using the basic speed formula, speed equals distance divided by time. The speed is 500 m divided by 1000 to convert to kilometers, placed over 1/12 hr, yielding 0.5 km / (1/12 hr). Multiplying 0.5 by 12 gives the final speed of 6 km/hr.

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