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.
Answer & explanation
Correct answer: option 1
Average Speed = \(\frac{2 × 25 × 20 }{25 + 20}\)
= \(\frac{1000 }{45}\)
= 22\(\frac{2}{9}\) km/h