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Maximum digit sum on digital watch

1000BeginnerCombinatoricsCounting Principles

AMC 12A · 2006 · Problem 4

A digital watch displays hours and minutes with AM and PM. What is the largest possible sum of the digits in the display?

Answer choices

A
17
B
19
C
21
D
22
E
23
0 students attempted0% solvedRating 1000

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AMC 12 PracticeAdvanced high school contest practice and review.AMC 10 vs AMC 12Choose the right practice path and difficulty level.AIME Practice StrategyHow to improve accuracy on high-difficulty problems.

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