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Difference between revisions of "2005 AMC 12B Problems/Problem 15"

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== Problem ==
 
== Problem ==
The sum of four two-digit numbers is <math>221</math>. Non of the eight digits is <math>0</math> and no two of them are the same. Which of the following is '''not''' included among the eight digits?
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The sum of four two-digit numbers is <math>221</math>. None of the eight digits is <math>0</math> and no two of them are the same. Which of the following is '''not''' included among the eight digits?
  
 
<math>
 
<math>

Revision as of 20:08, 10 April 2010

Problem

The sum of four two-digit numbers is $221$. None of the eight digits is $0$ and no two of them are the same. Which of the following is not included among the eight digits?

$\mathrm{(A)}\ 1      \qquad \mathrm{(B)}\ 2      \qquad \mathrm{(C)}\ 3      \qquad \mathrm{(D)}\ 4      \qquad \mathrm{(E)}\ 5$

Solution

See also

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