| 241 |
AMC 10 2000 A Q11 |
Two different prime numbers between \( 4\) and \( ... |
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| 242 |
AMC 10 2002 B Q19 |
Suppose that \( \{a_n\}\) is an arithmetic sequenc... |
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| 243 |
AMC 10 2005 A Q17 |
In the five-sided star shown, the letters \(A,B,C,... |
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| 244 |
AMC 10 2007 B Q10 |
Two points \( B\) and \( C\) are in a plane. Let \... |
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| 245 |
AMC 10 2009 B Q21 |
What is the remainder when \( 3^0+3^1+3^2+\ldots+3... |
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| 246 |
AMC 10 2010 B Q22 |
Seven distinct pieces of candy are to be distribut... |
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| 247 |
AMC 10 2011 A Q13 |
How many even integers are there between 200 and 7... |
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| 248 |
AMC 10 2011 B Q21 |
Brian writes down four integers \(w > x > y > z\) ... |
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| 249 |
AMC 12 2014 A Q25 |
The parabola \(P\) has focus \((0,0)\) and goes th... |
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| 250 |
AMC 12 2015 A Q18 |
The zeroes of the function \(f(x)=x^2-ax+2a\) are ... |
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| 251 |
AMC 12 2017 A Q18 |
Let \(S(n)\) equal the sum of the digits of positi... |
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| 252 |
AMC 12 2009 A Q21 |
Let \( p(x) = x^3 + ax^2 + bx + c\), where \( a\),... |
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| 253 |
AMC 12 1988 A Q30 |
Let \(f(x) = 4x - x^{2}\). Give \(x_{0}\), consid... |
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| 254 |
AMC 12 1981 A Q23 |
[asy]defaultpen(linewidth(.8pt));
pair B = origin... |
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| 255 |
AIME 2012 I Q10 |
Let \(\mathcal{S}\) be the set of all perfect squa... |
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| 256 |
AMC 10 2002 B Q11 |
The product of three consecutive positive integers... |
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| 257 |
AMC 8 1994 A Q22 |
The two wheels shown below are spun and the two re... |
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| 258 |
AMC 10 2005 A Q18 |
Team \( A\) and team \( B\) play a series. The fir... |
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| 259 |
AMC 8 1989 Q |
Let \(P(x)\) be a polynomial with rational coeffic... |
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| 260 |
AMC 8 1999 A Q16 |
Tori's mathematics test had 75 problems: 10 arithm... |
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