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:
Anonymous Answered question February 7, 2025
u=27s
v=17s
Cross = 23s.
l1 = 27x.
l2 = 17y.
23 = l1 + l2/x + y
23 = 27x + 17y/x + y.
23x + 23y = 27x + 17y.
4x – 6y = 0.
4x = 6y.
x/y = 6/4.
x/y = 3/2.
bijay Answered question February 7, 2025
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