The reflex angle between the hands of a clock at 25 is:

A    1800

B    192(1/2)0

C    1950

D    197(1/2)0

Solution

Correct Answer: Option D

 

Angle traced by hour hand in 125/25 hrs={(360/12) × (125/12)}0 = 312(1/2)0

Angle traced by minute hand in 25 min = ((360/60) ×25)0= 1500

So, Reflex angle = 3600 – (312(1/2) - 150)0 = 3600 – 162(1/2)0

= 197(1/2)0

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