401 |
AMC 10 2007 A Q5 |
A school store sells 7 pencils and 8 notebooks for... |
1516.00 |
402 |
AMC 10 2007 A Q13 |
Yan is somewhere between his home and the stadium.... |
1516.00 |
403 |
AMC 10 2007 A Q25 |
For each positive integer \(n\), let \(S(n)\) deno... |
1516.00 |
404 |
AMC 10 2007 B Q14 |
Some boys and girls are having a car wash to raise... |
1516.00 |
405 |
AMC 10 2007 B Q17 |
Point \( P\) is inside equilateral \( \triangle AB... |
1516.00 |
406 |
AMC 10 2008 A Q16 |
Points \( A\) and \( B\) lie on a circle centered ... |
1516.00 |
407 |
AMC 10 2008 A Q23 |
Two subsets of the set \( S=\{a,b,c,d,e\}\) are to... |
1516.00 |
408 |
AMC 10 2008 B Q13 |
For each positive integer \( n\), the mean of the ... |
1516.00 |
409 |
AMC 10 2008 B Q18 |
Bricklayer Brenda would take \( 9\) hours to build... |
1516.00 |
410 |
AMC 10 2008 B Q20 |
The faces of a cubical die are marked with the num... |
1516.00 |
411 |
AMC 10 2008 B Q21 |
Ten chairs are evenly spaced around a round table ... |
1516.00 |
412 |
AMC 10 2008 B Q22 |
Three red beads, two white beads, and one blue bea... |
1516.00 |
413 |
AMC 10 2009 A Q17 |
Rectangle \( ABCD\) has \( AB = 4\) and \( BC = 3\... |
1516.00 |
414 |
AMC 10 2009 A Q19 |
Circle \( A\) has radius \( 100\). Circle \( B\) h... |
1516.00 |
415 |
AMC 10 2009 A Q22 |
Two cubical dice each have removable numbers \( 1\... |
1516.00 |
416 |
AMC 10 2009 A Q24 |
Three distinct vertices of a cube are chosen at ra... |
1516.00 |
417 |
AMC 10 2009 A Q25 |
For \( k>0\), let \( I_k=10\ldots 064\), where the... |
1516.00 |
418 |
AMC 10 2009 B Q16 |
Points \( A\) and \( C\) lie on a circle centered ... |
1516.00 |
419 |
AMC 10 2009 B Q17 |
Five unit squares are arranged in the coordinate p... |
1516.00 |
420 |
AMC 10 2010 B Q12 |
At the beginning of the school year, \( 50\%\) of ... |
1516.00 |