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11 O'clock and 12 O'clock

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11 O'clock and 12 O'clock

by sanju09 » Mon Apr 20, 2009 3:58 am
How often between 11 O'clock and 12 O'clock are the hands of the clock together at an integral number value?
A. 55
B. 56
C. 60
D. 4
E. 5


OA E
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by m&m » Mon Apr 20, 2009 8:52 am
integral in terms of minutes or hours?...

For example at 11:00 the hands are either 1hour apart (in terms of hours) or 5 minutes apart (in terms of minutes)

Good question though....
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by dumb.doofus » Mon Apr 20, 2009 11:51 am
Looks too simple to me or maybe I am missing something.. .. in terms of the answer..

well, there are 5 integral divisions between 11 and 12.. so at only these divisions would you get an integer difference..
values are:
11:00, 11:12, 11:24,11:36,11:48 and 12:00

if we dont include 11 then the answer seems 5 else it seems 6 to me..

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by sanju09 » Wed Apr 22, 2009 3:16 am
m&m wrote:integral in terms of minutes or hours?...

For example at 11:00 the hands are either 1hour apart (in terms of hours) or 5 minutes apart (in terms of minutes)

Good question though....
Integral in terms of number of meetings :)
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