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Two-trains-150-m-long-and-250-m-long-are-travelling-at-the-speed-of-30-kmph-and-33-kmph-respectively-on-parallel-tracks-in-opposite-directions-What-is-the-time-taken-by-these-trains-to-cross-each-oth




Question Number 18282 by aamaguestt last updated on 17/Jul/17
Two trains 150 m long and 250 m long  are travelling at the speed of 30 kmph  and 33 kmph respectively on parallel  tracks in opposite directions. What is  the time taken by these trains to cross  each other completely from the  moment they meet?
$$\mathrm{Two}\:\mathrm{trains}\:\mathrm{150}\:\mathrm{m}\:\mathrm{long}\:\mathrm{and}\:\mathrm{250}\:\mathrm{m}\:\mathrm{long} \\ $$$$\mathrm{are}\:\mathrm{travelling}\:\mathrm{at}\:\mathrm{the}\:\mathrm{speed}\:\mathrm{of}\:\mathrm{30}\:\mathrm{kmph} \\ $$$$\mathrm{and}\:\mathrm{33}\:\mathrm{kmph}\:\mathrm{respectively}\:\mathrm{on}\:\mathrm{parallel} \\ $$$$\mathrm{tracks}\:\mathrm{in}\:\mathrm{opposite}\:\mathrm{directions}.\:\mathrm{What}\:\mathrm{is} \\ $$$$\mathrm{the}\:\mathrm{time}\:\mathrm{taken}\:\mathrm{by}\:\mathrm{these}\:\mathrm{trains}\:\mathrm{to}\:\mathrm{cross} \\ $$$$\mathrm{each}\:\mathrm{other}\:\mathrm{completely}\:\mathrm{from}\:\mathrm{the} \\ $$$$\mathrm{moment}\:\mathrm{they}\:\mathrm{meet}? \\ $$

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