During a 900 m race on a track with a circumference of 300 m, the leading runner encounters the slowest runner at the 6th minute of the race. If the leading runner runs at double the speed of the slowest runner, how long does it take for the leading runner to complete the race?

Correct answer marked below

22 minutes

16 minutes

14 minutes

9 minutes

Correct

4 minutes

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Comments

DiegoMar 30, 2025

thanks for posting

andreaMay 28, 2024

This is exactly what I needed to practice

HiyoriOct 30, 2024

Good question

What this question tests

Your application of distance = rate × time to trains, boats, and commuters, including relative speed.

Mixing units (miles per hour vs. minutes) or averaging speeds — average speed is total distance over total time.