1.  The angle between the minute hand and the hour hand of a clock when the time is 4.20, is:

A.
B. 10º
C.
D. 20º

Answer: Option B

Explanation:

Angle traced by hour hand in:

13 hrs = 360 x 13 º = 130º.
3 12 3

Angle traced by min. hand in 20 min.

= 360 x 20 º = 120º.
60

∴ Required angle = (130 - 120)º = 10º.