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Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Another train starts from B

at 8 a.m. and travels towards A at a speed of 25 kmph. At what time will they meet?


Answer is at 10:00 A.m.
Suppose they meet x hours after 7 a.m.Distance covered by A in x hours = 20x km.Distance covered by B in (x - 1) hours = 25(x - 1) km. 20x + 25(x - 1) = 110 45x = 135 x = 3.So, they meet at 10 a.m.
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