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#1 | ||
Pro Rookie
Join Date: Oct 2000
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OT Puzzle: How old are your children?
Ok one more puzzle for today. I don't come across ones that I think will be challenging for the FOFC group very often so when I do I like to post them quickly.
![]() Disclaimer: Again this puzzle was not created by me, but rather is just being reposted for your enjoyment. A census taker asks a woman "How many children do you have?". She says "Three". The census taker asks "What are their ages?". She responds, "The product of their ages is 36 and the sum of their ages is the house number next door." The census taker walks next door, reads the house number, appears puzzled, and returns to the woman, asking: "Is there something you forgot to tell me?" The woman responds: "Yes, the oldest child is in the park." How old is each child? |
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#2 |
Go Reds
Join Date: May 2001
Location: Bloodbuzz Ohio
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2
3 6 |
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#3 | |
Pro Rookie
Join Date: Oct 2000
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Quote:
Incorrect. ![]() |
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#4 |
College Starter
Join Date: Dec 2001
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2
2 9 There aren't another 3 ages that have the product of 36 and the sum of 11. In addition to 2+2+9=13 there is 1+6+6=13. So the next door house must have had the house number of 13 or else the census taker wouldn't have had to come back and ask for more information. I think I worked this backwards but that should be right.
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The one thing all your failed relationships have in common is you. The Barking Carnival (Longhorn-centered sports blog) College Football Adjusted Stats and Ratings Last edited by Huckleberry : 12-31-2003 at 01:31 PM. |
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#5 |
Pro Rookie
Join Date: Oct 2000
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Ding! Ding!
Very good Huckleberry!
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#6 |
Coordinator
Join Date: Jan 2001
Location: Keene, NH
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why doesn't Shorty's answer work?
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Mile High Hockey |
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#7 |
Pro Rookie
Join Date: Oct 2000
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Because 11 wasn't the number of the house next door.
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#8 |
Coordinator
Join Date: Jan 2001
Location: Keene, NH
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oh
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Mile High Hockey |
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#9 |
Pro Rookie
Join Date: Oct 2000
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Ok I guess I can give a more complete answer than that.
![]() The key to the puzzle is the oldest child is in the park comment. There are eight different ways to get a product of 36 from 3 numbers. 1. 36, 1, 1 (sum = 38) 2. 18, 2, 1 (sum = 21) 3. 12, 3, 1 (sum = 16) 4. 9, 4, 1 (sum = 14) 5. 9, 2, 2 (sum = 13) 6. 6, 6, 1 (sum = 13) 7. 6, 3, 2 (sum = 11) 8. 4, 3, 3 (sum = 10) So if the house number had been anything but 13 then the census taker would have known each of their ages. However since the house number was 13 and there are two different ways to get to 13 the census taker had to go back for more information. When the woman said the oldest "child" was in the park that clearly points to the 9, 2, 2 solution. If they were 6, 6, and 1 then she would have said oldest "children".
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#10 |
Coordinator
Join Date: Jan 2001
Location: Keene, NH
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i get it now
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Mile High Hockey |
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#11 | |
Head Coach
Join Date: Jul 2001
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Quote:
Not so, just because they are both 6, doesnt mean one is not older. |
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#12 |
Hall Of Famer
Join Date: Nov 2000
Location: Mays Landing, NJ USA
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True, there is a loophole. It's possible, though not probable, to have 2 children that are 6 and not twins. Or the mother could be referring to the one that it 6, but minutes older, as the oldest.
Sorry, just had to play devil's advocate. ![]() |
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