Question:
A person walks from his house to his office at a speed of x1 km/hr and returns by the same route at a speed of x2 km/hr. What is his average speed ?
A person walks from his house to his office at a speed of x1 km/hr and returns by the same route at a speed of x2 km/hr. What is his average speed ?
Updated On: Sep 12, 2024
- \(\frac{x_1+x_2}{2}\)
- \(\frac{x_1+x_2}{2x_1x_2}\)
- \(\frac{2x_1x_2}{x_1+x_2}\)
- \(\frac{x_1+x_2}{x_1x_2}\)
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The Correct Option is C
Solution and Explanation
The correct option is (C):\(\frac{2x_1x_2}{x_1+x_2}\).
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