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Time, Distance and Speed

A person walks at a speed of 4 km/h for 1.5 hours and then runs at 8 km/h for 1 hour. What is the total distance covered?

Answer: B. 12 km
Distance walked = 4 km/h x 1.5 hours = 6 km; Distance run = 8 km/h x 1 hour = 8 km; Total distance = 6 km + 8 km = 14 km.
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