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A car travels at the speed of 50 km/h fo...

A car travels at the speed of 50 km/h for the first half of the journey and at the speed of 60 km/h for the second half of the journey. What is the average speed of thecar for the entire journey?

(A) 54.54 km/h

(B) 36.36 km/h

(C) 50.5 km/h

(D) 45.45 km/h

A

A

B

B

C

C

D

D

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