1.

A man walks from point X to Y at a speed of 20 km/h, but comes back from point Y to X at a speed of 25 km/h. Find his average speed.

A. \(22 \frac{2}{9} km/h\)
B. \(24 \frac{2}{9} km/h\)
C. \(23 \frac{2}{9} km/h\)
D. \(25 \frac{2}{9} km/h\)
Answer» B. \(24 \frac{2}{9} km/h\)


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