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A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/ hr. If he takes 5 hours in going and coming, the distance between his house and school is :

A6.5 km

B6 km

C5 km

D5.5 km

Answer:

B. 6 km

Read Explanation:

Let the distance be x km x/3+x/2=5hrs 5x/6=5 x=6km


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