Guest Posted April 19, 2008 Report Share Posted April 19, 2008 (edited) At what time between 1pm and 2pm do the minute hand and the hour hand of a clock coincide exactly? ? Reveal hidden contents 1/11th of an hour after 1pm Edited April 19, 2008 by Brain Master Quote Link to comment Share on other sites More sharing options...
0 Guest Posted April 19, 2008 Report Share Posted April 19, 2008 too late to edit and add workings so here they are Reveal hidden contents the minute hand goes at 6 degrees every minute the hour hand goes at 0.5 degrees every minute the minute hand is 30 degrees behind at 1 p.m the minute hand catches 5.5 degrees every minute 30/5.5 = 5.4545 minutes which is 1/11 of an hour Quote Link to comment Share on other sites More sharing options...
0 Guest Posted April 19, 2008 Report Share Posted April 19, 2008 Well done m8 dats the same way i got the answer the first time! Quote Link to comment Share on other sites More sharing options...
0 rookie1ja Posted April 19, 2008 Report Share Posted April 19, 2008 already posted here Brain Master, I advise reading the rules sticky (Important: READ BEFORE POSTING), especially the part on doing a search prior to posting puzzles thread locked Quote Link to comment Share on other sites More sharing options...
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