1.  The angle between the minute hand and the hour hand of a clock when the time is 8.30, is:

A. 80º
B. 75º
C. 60º
D. 105º

Answer: Option B

Explanation:

Angle traced by hour hand in :

17 hrs = 360 x 17 º = 255.
2 12 2

Angle traced by min. hand in 30 min.

= 360 x 30 º = 180.
60

∴ Required angle = (255 - 180)º = 75º.