Two trains leave New Delhi at the same time. One travels north at 60 kmph and the other travels south at 40 kmph. After how many hours will the trains be 150 km apart?
Question and options
Two trains leave New Delhi at the same time. One travels north at 60 kmph and the other travels south at 40 kmph. After how many hours will the trains be 150 km apart?
Answer and explanation
Correct answer: A - \(\frac{3}{2}\)
Moving in opposite directions, the gap grows at 60 + 40 = 100 km/h, so 150 km takes hours.
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CUSAT CAT Integrated IPR Ph.D.
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