EduGoog

At 3.40, the hour hand and the minute hand of a clock form an angle of:

Option:
A. 110 degrees
B. 120 degrees
C. 130 degrees
D. 132 degrees
Answer: C . 130 degrees

Justification:

Angle traced by hour hand in 12 hrs. = 360º.

 

Angle traced by it in  11/3 hrs=  36012*113°">(36012*113)?

=110°">110?

 

Angle traced by minute hand in 60 min. = 360º.

 

Angle traced by it in 40 min. =(360/60*40)°">°

=240°">°

 

  Required angle (240 - 110)º = 130º

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