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Mathematical Puzzles Hard 2 min

A train travels 180 km in 2 hours 15 minutes. What is its average speed in km/h?

Hint
Convert minutes into hours.

Answer

80 km/h.

Explanation

2 hours 15 minutes equals 2.25 hours. Average speed is 180 ÷ 2.25 = 80 km/h.

Step-by-Step Solution

15 minutes = 0.25 hour
Total time = 2.25 hours
Speed = 180 ÷ 2.25
Speed = 80 km/h
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