Question:
What is X's average speed for the entire journey (to and fro)?
What is X's average speed for the entire journey (to and fro)?
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Average speed for a round trip is computed using total distance divided by total time (including halts).
Updated On: Aug 6, 2025
- 176 mph
- 180 mph
- 165 mph
- Data insufficient
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The Correct Option is A
Solution and Explanation
One-way distance Frankfurt–India = 4500 miles.
Total distance (to and fro) = 9000 miles.
Total time:
Onward = 41 hr (including 2 hr halt in Boston).
Return = 40 hr (including 1 hr halt in Boston).
Total time = 81 hr.
Average speed = Total distance / Total time = $\frac{9000}{81} \approx 176$ mph.
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