In a railway station on platform-1 the duration after which a train passes is 40 minutes and on platform-2 it is 1 hour. If the first train at each platform passes at 9:00am, when will the two platforms have trains passing again at the same time? HINT: USE LCM

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RiaElidaMF RiaElidaMF Tuteehub forum best answer Best Answer 1 year ago

Speed = (54×18×5 )m/sec=15m/secLength of the RAIN = (15 x 20) m = 300 mLet the length of the PLATFORM be x METRES Then 36x+300 =15⇒x+300=540⇒x=240mI hope it will helpful,.....


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