Two trains running in opposite directions cross a man standing on the…

Question

Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:

Accepted Answer

Option B. 3 : 2. Answer & Solution Answer: Option B Solution: & Let\, the\, speeds\, of\, the\, two\, trains\, be\,x\, m/sec & and\,y\, m/sec\, respectively. & Then,\, length\, of\, the\, first\, train = 27x\, metres, & and\, length\, of\, the\, second\, train = 17y\, metres. & 27x + 17yx + y =…