Question 12
A digital clock displays every minute from 00:00 to 23:59. At how many times in one day do the two hour digits have sum 5 and the two minute digits also have sum 5? For example, 05:41 and 14:05 satisfy the conditions.


VTMO · VTMO 2026 - Grade 5 - Semifinal - SET 10 - Self-study
