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  1. The angle between the hands of a clock when the time is 3 : 20 is

    1. 10°
    2. 20°
    3. 12°
Correct Option: C

On the basis of given details in question ,

3 hours 20 minutes = 3
1
hours
3

3 hours 20 minutes =
10
hours
3

Hour hand traces 360° in 12 hours.
∴ Angle traced in
10
hours =
360
×
10
= 100°
3123

Minute hand traces 360° in 60 minutes.
∴ Angle traced in 20 minutes =
360
× 20 = 120°
60
∴ Required angle = 120° – 100° = 20°



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