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A passenger train daily travels 450 km from a station to its destination station in 10 hours. In this total journey the train takes 6 halts in different places of 6 minutes, 12 minutes, 10 minutes, 8 minutes, 13 minutes and 11 minutes. Find out the speed of this train.1. 50 km/h2. 60 km/h3. 40 km/h4. 45 km/h5. 55 km/h |
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Answer» Correct Answer - Option 1 : 50 km/h Given: The train travels 450 km total in 10 hours Formula used: Distance = Speed of a train × Time taken Calculation: Train takes total (6 + 12 + 10 + 8 + 13 + 11) = 60 minutes = 1 hour as halt Actual time taken by the train (10 – 9) = 9 hours Speed of the train = 450/9 km/h ⇒ 50 km/h ∴ The speed of the train is 50 km/h |
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