The fraction of clockwise revolution required to move from 3 to 9 in a clock is

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12

32

52

72

answer is A.

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Detailed Solution

Given that a clock is moving from 3 to 9.
The number of hour is,
= 9 – 3
= 6
Now, the hour hand moves 1 revolution in 12 hours.
So, for 6 hours the revolution is

So, the required fraction is

12

.
Hence. option 1 is correct.

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