Stations A and B are 330 km apart. A train leaves A at 7 a.m. towards B at 60 km/h and another leaves B at 8 a.m. towards A at 75 km/h. How far from A do they meet?
Correct answer B. 180 km
Explanation
By 8 a.m. the first train has gone 60 km, leaving 270 km closed at 135 km/h in 2 hours. It travels 60 × 3 = 180 km from A.
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