Mr Ahmad starts work at 11.40 on Tuesday.He works for 12h45min.When does Mr Ahmad finish his work?Express your answer usering the 24-hour clock

Answer 1

11 + 12 = 23
:40 + :45 = 85

23 hours, 85 minutes = 24 hours, 25 minutes

http://en.wikipedia.org/wiki/24-hour_clock