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Conference Time (Posted on 2005-12-09) Difficulty: 5 of 5
Considering a positive whole number X which contains more than one digit, let us define R(X) as the number obtained by reversing the digits of X. Neither X nor R(X) can contain any leading zeroes.

* A Conference commenced on a given day precisely at 10*X/ 143 minutes past P o'clock ( but before P+1 o'clock) and concluded at 10*R(X) / 143 minutes past Q o'clock ( but before Q+1 o'clock) on the same day ; where 11 >=Q > P >=1 with the proviso that P and Q are whole numbers. It was observed that the hour hand and the minute hand had exchanged places during the respective times of commencement and conclusion of the said conference.

* Determine X, R(X), P and Q and,hence or otherwise, find the precise times of commencement and conclusion of the conference.

See The Solution Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(3): computer solution-spoilerMindRod2005-12-09 23:29:25
re(2): computer solution-spoilerCharlie2005-12-09 21:54:58
re: computer solution-spoilerMindRod2005-12-09 21:23:42
Hints/TipsPro ClockwiseMindRod2005-12-09 17:52:39
Solutioncomputer solution-spoilerCharlie2005-12-09 13:00:24
Questionre: Conference TimeCharlie2005-12-09 09:30:15
re: Conference TimeKELVIN2005-12-09 09:29:11
Conference TimeKELVIN2005-12-09 09:14:31
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