half of the total distance travelled by a car with speed 30 km per hour and rest by 20 km per hour find the average speed
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Answer:
Explanation:
Vavg = 2V1 V2/ V1 + V2
Vavg = 2 × 30 × 20/ 30 + 20
Vavg = 1200/50
Vavg = 24 km/hour
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