1993 AMC 8 Problem 24
Attempt Problem 24 of the 1993 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 1993 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
24.
What number is directly above in this array of numbers?
Answer: C
Small hint:
Each row ends at a perfect square: row ends at
Big hint:
is in the row ending at the row above ends at and the rows line up at their right edges
Solution:
Each row ends at a perfect square, so the row containing ends at and the row above it ends at
Since the rows are aligned at their right edges, sits directly above and therefore sits directly above
Thus, the correct answer is C .
Problem 24 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1994 AMC 8
- 1995 AMC 8
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- 1997 AMC 8
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- 1999 AMC 8
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