A man travels half the distance between Town A and Town B at an average speed of 90 kmph. What should be his average speed for the rest of the journey so that his overall average speed for the journey between Town A and B is 60 kmph?
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the answer is 30 kmph
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A man travels half the distance between Town A and Town B at an average speed of 90 kmph. What should be his average speed for the rest of the journey so that his overall average speed for the journey between Town A and B is 60 kmph?
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