The time showed by an analog clock at a moment is 11 am then 1234567890 hours later it will show the time as:
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as this no. is a multiple of 10 we check for divisibility by 3 and 2
1+2+3+4+5+6+7+8+9 = 45
which is multiple of 3
but 123456789 is odd so it is not a multiple of 2
which means
the hand of clock is
30 minutes ahead/back
which makes the time
11 : 30 ...
1+2+3+4+5+6+7+8+9 = 45
which is multiple of 3
but 123456789 is odd so it is not a multiple of 2
which means
the hand of clock is
30 minutes ahead/back
which makes the time
11 : 30 ...
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