The speed of an express train is km/hr & the speed of an ordinary train is 12 km/hr less than that of the express train. If the ordinary train takes 1 hour longer than express train to cover a distance of 240 km, find the speed of the express train.

72 km/hr

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48 km/hr

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36 km/hr

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60 km/hr

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30 km/hr

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Solution

The correct option is D
60 km/hr

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An express train makes a run of 240 km at a certain speed. Another train , whose speed is 12 km/hr less than the first train takes an hour longer to make the same trip . Find the speed of the express train in km/hr.

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The speed of an express train is km/hr & the speed of an ordinary train is 12 km/hr less than that of the express train. If the ordinary train takes 1 hour longer than express train to cover a distance of 240 km, find the speed of the express train.

The correct option is D 60 km/hr

The correct option is D
60 km/hr