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 A Prime Time And Square Time Problem (Posted on 2006-03-16)
A meeting started after 1 o'clock but before 12 o'clock according to a wallclock( which does not have separate second marks and minute marks) mounted on a wall of the meeting room. At the precise instant of commencement of the meeting, the second hand ( the clock hand which measures seconds) was situated exactly on a minute mark and a prime number of minute marks ahead of the hour hand.

The 24 Hour electronic wristwatch, belonging to the Chairman who had synchronised his watch in accordance with the wallclock, displayed precisely AB:CD Hours( in HH:MI format ) at the same instant, where the number ABCD in the decimal system corresponds to a perfect square. (ABCD may or may not contain leading zeroes).

Determine the precise time of commencement of the meeting in accordance with the Chairman's wristwatch.

 See The Solution Submitted by K Sengupta Rating: 3.0000 (2 votes)

 Subject Author Date re: Solution, or misinterpretation? Dej Mar 2006-03-18 17:49:55 I agree salil 2006-03-16 20:58:31 re: Solution, or misinterpretation? Leming 2006-03-16 18:30:08 Solution, or misinterpretation? tomarken 2006-03-16 12:19:52

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