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A Train Passes A Station Platform In 36 Seconds And A Man Standing On The Platform In 20 Seconds. If The Speed Of The Train Is 54 Km/hr, What Is The Length Of The Platform? |
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Answer» SPEED = 54 x5/18 m/sec = 15 m/sec. Length of the train = (15 x 20)m = 300 m. LET the length of the platform be x METRES. Then,x + 300/36 = 15 x + 300 = 540 x = 240 m. Speed = 54 x5/18 m/sec = 15 m/sec. Length of the train = (15 x 20)m = 300 m. Let the length of the platform be x metres. Then,x + 300/36 = 15 x + 300 = 540 x = 240 m. |
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