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Jeroen |
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#1
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914 Guru ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 7,887 Joined: 24-December 02 From: The Netherlands Member No.: 3 Region Association: Europe ![]() |
Ok, here's a nice one...
A mother is 21 years older than her daughter. In 6 years, this mother will be 5 times as old as her daughter The question is: Where is the dad??? Intermezzo: Some people get confused and will start asking WHO the dad is. I don't know the question to that answer either. Only the mother can be 100% sure on that. And no math can answer that questiong. Some people may be confused by the sudden "appearance" of the dad and because of that, forget about the math. Still, the question can be answered by simple math... (scroll down for the solution) Set the mother's age to X Set the daughter's age to Y "The mother is 21 years older than her daughter" will then give this equation: X = Y + 21 and "in 6 years, the mother will be 5 times as old as her daughter" will make: X + 6 = 5(Y + 6) We now have 2 equations with 2 unknowns, so we should be able to solve it: In the second equation, substitute the value of X (= Y+21). This will give: Y + 21 + 6 = 5(Y + 6) => Y + 27 = 5Y + 30 => Y - 5Y = 30 - 27 => -4Y = 3 => 4Y = -3 => Y = 0.75 And there's the answer...! The daughther is at this moment -0.75 years old, or -9 months So the dad is on top of the mother right know (IMG:http://www.914world.com/bbs2/html/emoticons/cool_shades.gif) |
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Carlitos Way |
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#2
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I did it MY WAY ![]() ![]() ![]() Group: Members Posts: 1,337 Joined: 14-September 04 From: Simi Valley, CA Member No.: 2,757 Region Association: Southern California ![]() |
So then the correct answer is: INSIDE the mom!!!! (IMG:http://www.914world.com/bbs2/html/emoticons/clap.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/clap.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/clap.gif)
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Lo-Fi Version | Time is now: 11th July 2025 - 08:37 AM |
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