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To reach point. B from point A, at 4 pm,...

To reach point. B from point A, at 4 pm, Sara will have to travel at an average speed of 18 kmph. She will reach point B at 3 pm if she travels at an average speed of 24 kmph. At what average speed should Sara travel to reach point B at 2pm? a. 36 kmph     b. 28 kmph         c.  25 kmph           d. 30 kmph

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RS AGGARWAL-TIME AND DISTANCE-All Questions
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