Ram went on a city tour. He travelled 30 km by bus and 6 km on foot. If the time taken by bus was 2 hours and time spent walking was 1 hour, the average speed for the whole journey would be ___.

21 km/hr

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12 km/hr

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11.5 km/hr

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9 km/hr

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Solution

The correct option is B 12 km/hr

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