2 + 2 = 5 ( Silly puzzle of the Day) [SOLUTION ADDED]
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Quartz... wrote:
But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down?
looking into a flat mirror reverses the Z axis, mentally: what points at the mirror in real life points out in the reflection. so we assume the reflection is of a person facing us, which would put his right arm on our left side, because that's true for real people facing us... but, it's not a person facing us, and it doesn't actually swap left and right. and it doesn't appear to swap up and down because we don't assume people facing us are upside down. but we do assume people facing us have their left on our right. we're just fooled by our assumptions.
Quartz... wrote:
2 with 2 and make it a 5
no time for such foolishness. it's 5:30! time to go home!
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Chris Losinger wrote:
Quartz... wrote: 2 with 2 and make it a 5 no time for such foolishness. it's 5:30! time to go home!
its going to haunt you through the weekend :)
Omit Needless Words - Strunk, William, Jr.
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In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
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Web based project trackingTake two 2's to make a 5? Easy: Ceil(Sqrt(22)) :) Or isn't Ceil() a "mathematical operation" in your definition?
Regards, mav -- Black holes are the places where God divided by 0...
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In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
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Web based project trackingQuartz... wrote:
Why is it that the mirror appears to reverse left and right, but not up and down?
The mirror doesn't rotate anything. It reflects the image back without any rotation about any axis. A human observer looking at you from the mirrors location would have to rotate about his vertical axis, thus reversing his left and right from your perspective
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In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
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Web based project trackingCan't remember the exact solution but I'm pretty sure it involves multiplying by infinity, adding something or other (because infinity + x is infinity) then cancelling out the infinities resulting in the imbalanced equation. I think anyway :scratches head:
I have no idea what I just said. But my intentions were sincere.
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Out of curiosity, where are all these puzzles coming from? Have you bought a book?
Actually i am constantly in a look for that "mysterious" kind of puzzles which have the "aha" solution. I have a huge collection of them, so far 80, Some of them are from books but also from a lot of other sources.
Omit Needless Words - Strunk, William, Jr.
JumpyForum:CP Message board | Universal DBA | Ajax Rating | ExplorerTree | | Globalization in 20 minutes
Web based project tracking -
In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
JumpyForum:CP Message board | Universal DBA | Ajax Rating | ExplorerTree | | Globalization in 20 minutes
Web based project trackingQuartz... wrote:
All you have to do is TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5
2 + 2 + 1 = 5 You never said that you can only use two 2's.
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
Quartz... wrote:
Why is it that the mirror appears to reverse left and right, but not up and down?
The mirror doesn't rotate anything. It reflects the image back without any rotation about any axis. A human observer looking at you from the mirrors location would have to rotate about his vertical axis, thus reversing his left and right from your perspective
Rob Graham wrote:
A human observer looking at you from the mirrors location would have to rotate about his vertical axis, thus reversing his left and right from your perspective
That makes a lot of sense. Nice one!
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
Quartz... wrote:
All you have to do is TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5
2 + 2 + 1 = 5 You never said that you can only use two 2's.
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle(2 + 2) + 2/2 = 5 Using only 2's :)
Rob Manderson I'm working on a version for Visual Lisp++ My blog http://blogs.wdevs.com/ultramaroon/[^] My blog mirror http://robmanderson.blogspot.com[^]
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Quartz... wrote:
All you have to do is TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5
2 + 2 + 1 = 5 You never said that you can only use two 2's.
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - AristotleFull points :-D Have a nice weekend
Omit Needless Words - Strunk, William, Jr.
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Quartz... wrote:
In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5
Use extreamly large values of 2! Joe Q
Joe Q wrote:
Use extreamly large values of 2!
Is that like when I try to moderate my fook intake and cut a slice of pizza in half, but eat the "bigger" half? :-D
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
(2 + 2) + 2/2 = 5 Using only 2's :)
Rob Manderson I'm working on a version for Visual Lisp++ My blog http://blogs.wdevs.com/ultramaroon/[^] My blog mirror http://robmanderson.blogspot.com[^]
Rob Manderson wrote:
Using only 2's
Bravo! :rose:
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
JumpyForum:CP Message board | Universal DBA | Ajax Rating | ExplorerTree | | Globalization in 20 minutes
Web based project trackingQuartz... wrote:
Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand.
This sounds like the first chapter to "The Introverts Guide to the Hokey Pokey[^]." :-D
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
JumpyForum:CP Message board | Universal DBA | Ajax Rating | ExplorerTree | | Globalization in 20 minutes
Web based project trackingI really wish that only well-worded puzzles were posted. If this is from a book, please post the full, complete, exact text of the puzzle. Plus attribution would help.
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Joe Q wrote:
Use extreamly large values of 2!
Is that like when I try to moderate my fook intake and cut a slice of pizza in half, but eat the "bigger" half? :-D
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
Josh Smith wrote:
Is that like when I try to moderate my fook intake and cut a slice of pizza in half, but eat the "bigger" half?
No, that's helping whomever is going to eat the other half moderate their food intake...you're just being helpful! :laugh:
Joe Q wrote:
you're just being helpful!
Please explain that to my girlfriend! :laugh:
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
I really wish that only well-worded puzzles were posted. If this is from a book, please post the full, complete, exact text of the puzzle. Plus attribution would help.
Two questions 1. The context is the first question or the second question ? 2. You mean the puzzle is not clear ? Can you help make it clear because thes are not from any book or text, i read that long back and thought to share
Omit Needless Words - Strunk, William, Jr.
JumpyForum:CP Message board | Universal DBA | Ajax Rating | ExplorerTree | | Globalization in 20 minutes
Web based project tracking -
In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
JumpyForum:CP Message board | Universal DBA | Ajax Rating | ExplorerTree | | Globalization in 20 minutes
Web based project trackingWhen I sell something 2 + 2 = 5 When I buy something 2 + 2 = 3 more clear than that?
-- If you think the chess rules are not fair, first beat Anand, Kasparov and Karpov then you can change them. Moral is, don't question the work of others if you don't know the reason why they did it.
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In a "Real" world, there are a lot of people, who takes 2 with 2 and make it a 5 Well the silly question is, Can a "mathematician in you" also do this ? TAKE two 2's and any number of mathematical operations AND make it EQUAL TO 5 Another question to ponder , Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down? * there is no genius in google-dept Solution here[^]
Omit Needless Words - Strunk, William, Jr.
JumpyForum:CP Message board | Universal DBA | Ajax Rating | ExplorerTree | | Globalization in 20 minutes
Web based project trackingWhere o where ? Nish, i hope you haven't given up on silly puzzles :) -- modified at 19:06 Friday 26th January, 2007
Omit Needless Words - Strunk, William, Jr.
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Web based project tracking -
I really wish that only well-worded puzzles were posted. If this is from a book, please post the full, complete, exact text of the puzzle. Plus attribution would help.
PIEBALDconsult wrote:
If this is from a book, please post the full, complete, exact text of the puzzle. Plus attribution would help.
Perhaps the International Puzzle and Gaming Committee should ratify the puzzle, too? :rolleyes:
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle -
Quartz... wrote:
Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand.
This sounds like the first chapter to "The Introverts Guide to the Hokey Pokey[^]." :-D
:josh: My WPF Blog[^]
We are what we repeatedly do. Excellence then, is not an act, but a habit. - AristotleJosh Smith wrote:
This sounds like the first chapter to "The Introverts Guide to the Hokey Pokey[^]."
Does it ! i have never read that, :laugh::laugh::laugh:
Omit Needless Words - Strunk, William, Jr.
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