1953 AMC 12 Problem 10
Attempt Problem 10 of the 1953 AMC 12 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1953 AMC 12 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
10.
The number of revolutions of a wheel, with fixed center and with an outside diameter of feet, required to cause a point on the rim to go one mile is:
none of these
Answer: C
Small hint:
In one revolution the rim point travels one circumference
Big hint:
Divide feet by the circumference feet
Solution:
The wheel’s circumference is feet, so the required number of revolutions is
Thus, the correct answer is C.
Problem 10 in other years
- 1950 AMC 12
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