Question
A person has to cover a distance of 6 km in 45 minutes. If he
covers one-half of the distance in two-thirds of the total time; to
cover the remaining distance in the remaining time, his speed (in km/hr) must be :
Answer: Option D
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Remaing distance = 3 km and
Remaining time = [1/3 * 45] min = 15 min = 1/4 hour.
∴ Required speed = (3*4) km/hr = 12 km/hr.
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