Q

A car travels 150 kilometers in 3 hours. What is the average speed of the car, and what is the correct unit for this quantity?

RRB Group D 18 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: A 50 kilometers per hour
Average speed = total distance/total time = 150/3 = 50 km/h, equivalent to about 13.9 m/s.
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