2009 AMC 10A Problems/Problem 5
Revision as of 19:04, 18 February 2009 by VelaDabant (talk | contribs) (New page: ==Problem== What is the sum of the digits of the square of 111,111,111 ? <math>\mathrm{(A)}\ 18\qquad\mathrm{(B)}\ 27\qquad\mathrm{(C)}\ 45\qquad\mathrm{(D)}\ 63\qquad\mathrm{(E)}\ 81</ma...)
Problem
What is the sum of the digits of the square of 111,111,111 ?
Solution
See also
| 2009 AMC 10A (Problems • Answer Key • Resources) | ||
| Preceded by Problem 4 |
Followed by Problem 6 | |
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| All AMC 10 Problems and Solutions | ||
