Question

Antonia likes calculating the sum of the digits that she sees on her digital clock (think of a microwave clock). For example, if the time were 11:47, the sum would be equal to 13 (1+1+4+7). What is the largest sum she can get on a 12-hour digital clock?

Answer 1

The largest sum she can get on a 12-hour digital clock is 17.

Explanation:

The largest time found in a 12-hour digital clock is 12 hours and 59 minutes. If you add 12:59/ 1+2+5+9 it equals to 17. Hope this helps.