Puzzles - Clock puzzles

4.
Answer
:
5:23
Explanation
:
The sum of the separate digits on each watch increases by 2 as you move to the right.

5.
Answer
:
Hour hand is pointing to 2.
Explanation
:
Multiply the hour hand value by 2 and add the minute hand value. This total is always 15.

6.
Answer
:
Five minutes to Ten
Explanation
:
Start with the top left clockface, and move around the others clockwise. The minute hand moves backwards by 15 minutes, then 20, then 25 etc, while the hour hand moves forward 2 hours, then 3, then 4 etc.