A taxi goes from City A to City B at an average speed of 84 km/hr. In the return journey due to traffic the average speed of the taxi falls by 24 km/hr. Find the average speed of the taxi (in km/hr) for the total journey.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 70
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Understanding |
Application |
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A taxi goes from City A to City B at an average speed of 84 km/hr. In the return journey due to traffic the average speed of the taxi falls by 24 km/hr. |
Average speed in return journey = 84 – 24 = 60 km/hr So, Average speed of the journey = [2 × 84 × 60]/[84 + 60] = 10080/144 = 70 km/hr |