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Q.

At 9 O' clock the angle formed between the hands of a clock is


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a

Complete angle

b

Reflex angle

c

Zero angle

d

None 

answer is B.

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Detailed Solution

We know, angles more than 180° and less than 360° are called reflex angles. Thus at 9 o'clock, the angle formed between the hands of a clock is a reflex angle, i.e. more than 180° but less than 360°.
Hence, option 2 is correct.
 
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