2002 AMC 8 Problem 19
Attempt Problem 19 of the 2002 AMC 8 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 2002 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
19.
How many whole numbers between and contain exactly one
Small hint:
The number is a three-digit number.
Big hint:
The single can be in the tens place or the ones place, but not the hundreds place.
Solution:
Note that the digit can either be the tens or the units digit. This gives us options for this.
There are options for each of the other digits for a total of numbers.
Thus, D is the correct answer.
Problem 19 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
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- 1989 AMC 8
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- 1991 AMC 8
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