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Anuj takes 15 minutes to go to school and 20 minutes to come back from school by bicycle. If the school is 4.5 km away from his home, find his average speed.

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km/h

None of these

answer is A.

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Detailed Solution

Concept- The total distance travelled by the object in a given time interval is the average speed.
Speed while going to school

Speed while returning

Therefore, average speed

Hence, the correct answer is option 1)

km/h.

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