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EXERCISES1. A boy while driving to his school covers at the average speed of 15 km/h. Onhis return trip along the same route, covers at the average speed of 25 km/h due toless traffic. What is his average speed for the whole trip?(18.75 km/h)2. A motor boat in Loktak lake startingfrom​

Answer»

Answer:

18.75

Explanation:

Below pic show STEPS how to get this answer

shortcut eqn only APPLICABLE when DISTANCE is same

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