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An accurate clock shows 9 O'clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 2 O'clock in the afternoon?
1. 168° 
2. 180°
3. 144°
4. 150°

1 Answer

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Correct Answer - Option 4 : 150°

Clock completes one full rotation i.e., 360º in 12 hours.

So, in 1 hour, the hour hand of a clock moves by 360/12 = 30º

Time gap between 9 O'clock to 2 O'clock = 5 hours

Degrees the hour hand will rotate when the clock shows 2 O'clock in the afternoon = 5 × 30º = 150º

Hence, '150º' is the correct answer.

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