Mathematics.Mathematical Jokes and Puzzles

Mathematics Forum

Author	Message / Information
Soroban Quote \| Reply \|	Work problem (?) posted on: 11/7/2002 4:52:50 PM A and B can paint a car in 6/5 hours. A and C can paint it in 3 hours. B and C can paint it in 6 hours. How long would it take each painter working alone? Give an interpretation of C's ability.
fkulv Quote \| Reply \|	Re: Work problem (?) replied on: 2/10/2003 1:19:46 PM A alone can paint in 3 hours B alone can paint in 6 hours C alone cannot paint the car C is a worthless friend and just sits there.
Soroban Quote \| Reply \|	Re: Re: Work problem (?) replied on: 2/13/2003 6:50:17 PM It's even worse than that, fkulv! A alone can paint the car in 2 hours. B alone can paint the car in 3 hours. With C's "help", it takes 3 or 6 hours. C must be removing the paint. (Alone, he can paint the car in -6 hours!)
Mr. Fox Quote \| Reply \|	Re: Re: Work problem (?) replied on: 3/1/2004 2:20:57 PM quote: It's even worse than that, fkulv! A alone can paint the car in 2 hours. B alone can paint the car in 3 hours. With C's "help", it takes 3 or 6 hours. C must be removing the paint. (Alone, he can paint the car in -6 hours!) C would be a good friend to have if you wanted to strip your car.
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