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There are 21 poles with a constant distance between each pole. A car takes 30 seconds to reach the 16th pole. How long does it take to reach the last pole? | |
A. | 39 seconds [Wrong Answer] |
B. | 40 seconds [Correct Answer] |
C. | 39.38 seconds [Wrong Answer] |
D. | 39.5 seconds [Wrong Answer] |