Question by Lê Quốc Trần Anh - Discuss with MathYouLike

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28/03/2018 at 09:29

Betty likes calculating the sum of the digits that she sees on her digital clock (for instance, if the clock shows 21:17, then Betty gets 11). What is the biggest sum she can get if the clock is a 24-hour clock?

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FC Alan Walker 28/03/2018 at 10:23

The biggest sum she can get is 24 (19:59)

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