जॉइन Examsbookउत्तर : 3. "36 kmph"
A train travelling with a speed of 60 km/hr catches another train travelling in the same direction and then leaves it 120m behind in 18 seconds. The speed of the second train is5
प्र: A train travelling with a speed of 60 km/hr catches another train travelling in the same direction and then leaves it 120m behind in 18 seconds. The speed of the second train is
- 142 kmphfalse
- 272 kmphfalse
- 336 kmphtrue
- 444 kmphfalse
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उत्तर : 3. "36 kmph"
व्याख्या :
Answer: C) 36 kmph Explanation: Given speed of the first train = 60 km/hr = 60 x 5/18 = 50/3 m/s Let the speed of the second train = x m/s Then, the difference in the speed is given by 503 - x = 12018 => x = 10 m/s => 10 x 18/5 = 36 km/hr