CH08: NCERT EX 3. Abdul, while driving to school, computes the average speed for his trip to be 20 km h On his retum trip along the same route, there is less traffic and the average speed is 30 km h'. What is the average speed for Abdul's trip? 20 kph HOME SCHOOL 30 kph
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∴ Average speed for forward journey[home - school ] = Total distance/ Total time. Average speed for backward journey[school -home] = Total distance/ Total time. ∴ The average speed for Abdul's trip is 24km/h
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