Analog clock hour needle puzzle

Question : In an analog clock for 25 minutes duration how much does the hour hand will move ? ?? ???? ........ ??????   Answer : 12.5  degree . Explanation : Analog clock is 360 degree. For 60 minutes the hour hand will move 30 degree. So for 30 minutes the hour hand will move 15 degree.

30 min = 15 degree 25 min = x degree 25/x = 30/15 x = 25 x (15/30) x = 12.5 degree

Hence for 25 minutes the hour needle will move 12.5 degree.