Difference between revisions of "2013 AMC 10B Problems/Problem 13"
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− | Jo and Blair take turns counting from <math>1</math> to one more than the last number said by the other person. Jo starts by saying "<math>1</math>", so Blair follows by saying "<math>1, 2</math>" . Jo then says "<math>1, 2, 3" , and so on. What is the 53rd number said? | + | Jo and Blair take turns counting from <math>1</math> to one more than the last number said by the other person. Jo starts by saying "<math>1</math>", so Blair follows by saying "<math>1, 2</math>" . Jo then says "<math>1, 2, 3</math>" , and so on. What is the 53rd number said? |
− | < | + | <math> \textbf{(A)}\ 2\qquad\textbf{(B)}\ 3\qquad\textbf{(C)}\ 5\qquad\textbf{(D)}\ 6\qquad\textbf{(E)}\ 8 </math> |
Revision as of 18:59, 21 February 2013
Jo and Blair take turns counting from to one more than the last number said by the other person. Jo starts by saying "
", so Blair follows by saying "
" . Jo then says "
" , and so on. What is the 53rd number said?