Two stations A and B are 110 km apart on a straight line. One train s…

Question

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 ti…

Accepted Answer

Option B. 10 a.m.. Answer & Solution Answer: Option B Solution: & 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 &…

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?

Solution