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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 :

A

5 km

B

5.5 km

C

6 km

D

6.5 km

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The correct Answer is:
C
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