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A man sitting in a train which is travelling @ 50kmph observes that a goods train, travelling in opposite direction, takes 9 sec to pass him. If the goods trains 280 m long, Find its speed in kmph

Option 1)

112

Option 2)

72

Option 3)

80

Option 4)

62

Option 5)

60

Answers (1)

R rishi raj

(50 + x) x 5/18 = 280/9

250 + 5x = 560

5x = 310

x = 62

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