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Question 88
An express train travelled at an average speed of 100km/hr, stopping for 3 minutes after 75 km. A local train travelled at speed of 50 km/hr, stopping for 1 minute after every 25 km. If the train began travelling at the same time, how many kms did the local train level in the time it took the express train to travel 600 km ?
Solution
The express train will cover 600 km in 6hrs and will stop fo 21 minutes in total at different stops.
Now, the distance covered by the local train in 6 hours 21 minutes while subtracting the 1 minute for each halt after 25 minutes = 6.35 * 50 - 250/25 = 307.5 km.
Therfore, the correct option is option A.
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