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Q.

Where will the hour hand of a clock stop if it starts from 7 and turns through 2 straight angles?
 


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a

5

b

6

c

7

d

8 

answer is C.

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Detailed Solution

Given, hour hand of the clock starts from 7 and turns through 2 straight angles.
Straight angle means 180°, i.e, 2 right angles. So for 2 straight angles means 4 right angles.
For one full rotation of the hour hand it makes 4 right angles. So for the full rotations it stops at the starting point. So it stops at 7 itself.
So, option 3 is correct.
 
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