Stations A and B are 190 km apart. A train leaves A at 6 a.m. towards B at 30 km/h. Another train leaves B at 7 a.m. towards A at 50 km/h. At what time do they meet?
A. 10 a.m.
B. 8:30 a.m.
C. 9 a.m.
D. 9:30 a.m.
A. 10 a.m.
B. 8:30 a.m.
C. 9 a.m.
D. 9:30 a.m.
Best answer
Answer: C. 9 a.m.
Answer: (C) 9 a.m.
By 7 a.m. the first train has covered 30 km, leaving a gap of 160 km.
From 7 a.m. they close the gap at 30 + 50 = 80 km/h, taking 160 ÷ 80 = 2 h. They meet at 9 a.m.
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