Question

How many times does the hour hand and the minute hand of a clock come in a straight line in a day?

Answer 1

12 times .
1. 12.00 , 00.00 
2. 1.05 , 13.05
3. 2.10 , 14.10
4. 3.15 , 15.15
5. 4.20 , 16.20
6. 5.25 , 17.25

Answer 2

In a day, the hands point in the opposite directions 22 times.