Ram and Shyam run a race between points \(A\) and \(B, 5 \mathrm{~km}\) apart. Ram starts at 9 AM from A at a speed of \(5 \mathrm{~km} / \mathrm{hr}\), reaches \(B\) and returns to \(A\) at the…
Question and options
Ram and Shyam run a race between points and apart. Ram starts at 9 AM from A at a speed of , reaches and returns to at the same speed. Shyam starts at from at a speed of , reaches and comes back to at the same speed.
At what time do Ram and Shyam meet each other for the first time ?
At what time do Ram and Shyam meet each other for the first time ?
Answer and explanation
Correct answer: B - \(10: 10 \mathrm{AM}\)
Ram reaches B at 10:00 and starts back. Shyam left A at 9:45 at 10 km/h, so at 10:00 he is 2.5 km from A, with Ram 2.5 km further on coming towards him. Closing at 15 km/h they meet after 2.5/15 h = 10 min, at 10:10 AM (the later meeting at 10:30 is the overtaking).
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