i think the hands of the clock coincide "exactly" only twice a day...coz for all other times there is a slight angle difference bw the hour n the minute hand..except at 12 wen the difference is 0 degrees...
The clock hands concide with each other 24 times. since we have 24 hrs in a day. after 1 o clockhands of the clock concide, after2 o clockhands of the clock concide, after3 o clockhands of the clock concide, ... ... ... similarly at 24th hr both hands concide.
So this proves that the clock hands concide 24 times.
The clock will tick at 00:00 and then at between 1-2 between 2-3, 3-4, 4-5, 5-6, 6-7, 7-8, 8-9, 9-10, 10-11, 12 PM then 1-2, 2-3, 3-4, 4-5, 5-6, 6-7, 7-8, 8-9, 9-10, 10-11, and between 11 pm - 11:59 PM. The last time for the day would be : 23:59:59
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