A car travels 30km at a uniform speed of 40km/h and next 30 km at a uniform speed of 20km/h. find its average speed? - IQ786

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A car travels 30km at a uniform speed of 40km/h and next 30 km at a uniform speed of 20km/h. find its average speed?

A car travels 30km at a uniform speed of 40km/h and next 30 km at a uniform speed of 20km/h. find its average speed?

28.7 km/h

26.7 km/h

26.5 km/h

25.4 km/h

Explanation