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Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 8
1993 AMC 8
24
24
Part of
1993 AMC 8
Problems
(1)
Number directly above 142
Source: 1993 AMC 8 Problem 24
6/28/2011
What number is directly above
142
142
142
in this array of numbers?
1
2
3
4
5
6
7
8
9
10
11
12
⋯
\begin{array}{cccccc} & & & 1 & & \\ & & 2 & 3 & 4 & \\ & 5 & 6 & 7 & 8 & 9 \\ 10 & 11 & 12 & \cdots & & \\ \end{array}
10
5
11
2
6
12
1
3
7
⋯
4
8
9
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A
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99
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B
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119
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C
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120
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D
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121
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E
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122
<span class='latex-bold'>(A)</span>\ 99 \qquad <span class='latex-bold'>(B)</span>\ 119 \qquad <span class='latex-bold'>(C)</span>\ 120 \qquad <span class='latex-bold'>(D)</span>\ 121 \qquad <span class='latex-bold'>(E)</span>\ 122
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99
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119
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120
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121
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E
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122
AMC