Difference between revisions of "2006 AMC 12A Problems/Problem 4"
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Revision as of 18:28, 2 February 2007
Problem
A digital watch displays hours and minutes with AM and PM. What is the largest possible sum of the digits in the display?
Solution
The sum of digits is largest when the number of hours is 
and the number of minutes is 
. Therefore, the largest possible sum of digits is 
. The answer is E.
See also
| 2006 AMC 12A (Problems • Answer Key • Resources) | |
| Preceded by Problem 3 |
Followed by Problem 5 |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
| All AMC 12 Problems and Solutions | |
