A train travels first 800 kms at an average rate of 180 kmph and further travels the same...
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A train travels first 800 kms at an average rate of 180 kmph and further travels the same distance at an average rate of 120 kmph. Determine the average speed of the train over the whole journey.
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Answer: D. D) 164 kmph
The correct option is D: '164 kmph'.