A train leaves a station traveling at 50 km/h. After 30 minutes, it increases its speed to 100 km/h. How far has it traveled after 1 hour?
Category: Math · Difficulty: hard
Hint: Calculate the distance for each segment of the journey.
Answer
75 km
Explanation
In the first 30 minutes, it travels 25 km. In the next 30 minutes at 100 km/h, it travels 50 km, totaling 75 km.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 75 km.
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