Riddle #2
03 March 2008, 05:59 PM
#7
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Answer the job still aint finished and never will be?
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03 March 2008, 06:01 PM
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03 March 2008, 06:42 PM
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4 painters * 23 days = 92 man-days of work in total.
First 5 days * 4 painters = 20 man-days' work done, leaving 72 still to be done.
8 more join in giving a total of twelve for the remaining time. 72 / 12 = 6.
Therefore, 6 more days are needed after the new guys start work.
(apologies to any project managers, tradespeople, engineers or anyone else with a modicum of experience who knows perfectly well there's no such thing as a man-day of work!)
First 5 days * 4 painters = 20 man-days' work done, leaving 72 still to be done.
8 more join in giving a total of twelve for the remaining time. 72 / 12 = 6.
Therefore, 6 more days are needed after the new guys start work.
(apologies to any project managers, tradespeople, engineers or anyone else with a modicum of experience who knows perfectly well there's no such thing as a man-day of work!)
Not sure where I got 8 from. 
