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:
Important Formulas 1. km/hr to m/s conversion:
km/hr = (a * 5/18)m/s 2. m/s to km/hr conversion:
m/s = (a*18/5)km/hr.
3.Time taken by a train of length l metres to pass a pole or standing man or a signal post is equal to the time taken by the train to cover l metres.
4.Time taken by a train of length l metres to pass a stationery object of length b metres is the time taken by the train to cover (l + b) metres. Formulas for finding Speed, Time and Distance
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See how confident they are ... and look at top one size(work) is less but Position (responsibility) is high....but if you see at bottom one it has the more responsibility than the top because with out bottom there is no top one ! so ! Give value to your bottom one's
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