A person has to travel 300 km in 10 hours. If he travels one-third of the distance in half of the given time, then what should be the speed of that person so that he covers the remaining distance in remaining time?

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A person has to travel 300 km in 10 hours. If he travels one-third of the distance in half of the given time, then what should be the speed of that person so that he covers the remaining distance in remaining time?

A30 km/hr

B20 km/hr

C10 km/hr

D40 km/hr

Answer:

D. 40 km/hr

Read Explanation:

Distance travelled = 1/3 × 300 = 100 km Time required = 1/2 of 10 = 5 hours Remaining distance = 300 - 100 = 200 km Remaining time = 10 - 5 = 5 hours required speed = 200/5 = 40

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