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trick of the day [modified]

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  • Q quiteSmart

    I got this trick question today from a friend of mine. I am trying to solve it. i solve 50 percent of the question solved. Note if you have a lot of work don't continue reading cause it will take some time to be solved. The trick question is: You have infront of you 12 eggs. All have the same color the same shape and the same size (you can not diffrentiate between one and the other by just looking at it). 11 of those 12 eggs have the same weight and one differs (either less or more). The question is to find which one of those 12 is the different one. You have a balance and you can use it only 3 times. I will remind you in one important thing that we don't know if the one egg which is different from the others weighs more or less than any of the other 11 eggs. good luck :) if you think you got the solution send your answer to my mail address jamilabkh@gmail.com to leave some time for others to think about it don't post your answers;)

    F Offline
    F Offline
    Frank Kerrigan
    wrote on last edited by
    #10

    It can't be done in 3 tries if you don't know if you are looking for a lighter or heavier egg. I suspect your questions has got corrupt.


    Blog Have I http:\\www.frankkerrigan.com

    F Q 2 Replies Last reply
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    • C Colin Angus Mackay

      You break all the eggs and put them in a pan and make a giant omlette. Job's a good'un!


      Upcoming events: * Glasgow Geek Dinner (5th March) * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

      F Offline
      F Offline
      Frank Kerrigan
      wrote on last edited by
      #11

      Colin were did you get that silly idea from. Make pancakes instead......;P


      Blog Have I http:\\www.frankkerrigan.com

      C M 2 Replies Last reply
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      • F Frank Kerrigan

        Colin were did you get that silly idea from. Make pancakes instead......;P


        Blog Have I http:\\www.frankkerrigan.com

        C Offline
        C Offline
        Colin Angus Mackay
        wrote on last edited by
        #12

        Frank Kerrigan wrote:

        Make pancakes instead......

        <Homer>Hmmmmm.... Pancakes.... <Drooling/></Homer>


        Upcoming events: * Glasgow Geek Dinner (5th March) * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

        Q 1 Reply Last reply
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        • F Frank Kerrigan

          It can't be done in 3 tries if you don't know if you are looking for a lighter or heavier egg. I suspect your questions has got corrupt.


          Blog Have I http:\\www.frankkerrigan.com

          F Offline
          F Offline
          Frank Kerrigan
          wrote on last edited by
          #13

          How do you find the weight of the rouge egg with only using scales min amount of times. ? Clue: x + 11y = z


          Blog Have I http:\\www.frankkerrigan.com

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          • C Colin Angus Mackay

            You break all the eggs and put them in a pan and make a giant omlette. Job's a good'un!


            Upcoming events: * Glasgow Geek Dinner (5th March) * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

            M Offline
            M Offline
            Muammar
            wrote on last edited by
            #14

            :laugh::laugh:


            All generalizations are wrong, including this one! (\ /) (O.o) (><)

            1 Reply Last reply
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            • F Frank Kerrigan

              Colin were did you get that silly idea from. Make pancakes instead......;P


              Blog Have I http:\\www.frankkerrigan.com

              M Offline
              M Offline
              Muammar
              wrote on last edited by
              #15

              :laugh::laugh::laugh:


              All generalizations are wrong, including this one! (\ /) (O.o) (><)

              1 Reply Last reply
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              • F Frank Kerrigan

                How do you find the weight of the rouge egg with only using scales min amount of times. ? Clue: x + 11y = z


                Blog Have I http:\\www.frankkerrigan.com

                H Offline
                H Offline
                hairy_hats
                wrote on last edited by
                #16

                Frank Kerrigan wrote:

                the rouge egg

                I don't think that the colour affects the weight... ;-)

                F 1 Reply Last reply
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                • H hairy_hats

                  Frank Kerrigan wrote:

                  the rouge egg

                  I don't think that the colour affects the weight... ;-)

                  F Offline
                  F Offline
                  Frank Kerrigan
                  wrote on last edited by
                  #17

                  :)lol....me spilling is nut goop.


                  Blog Have I http:\\www.frankkerrigan.com

                  C 1 Reply Last reply
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                  • F Frank Kerrigan

                    :)lol....me spilling is nut goop.


                    Blog Have I http:\\www.frankkerrigan.com

                    C Offline
                    C Offline
                    Colin Angus Mackay
                    wrote on last edited by
                    #18

                    Frank Kerrigan wrote:

                    nut goop

                    That would be good to add to the pancake mix, some nuts, making a nut goop. You're full of excellent ideas today! :-D


                    Upcoming events: * Glasgow Geek Dinner (5th March) * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

                    F 1 Reply Last reply
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                    • F Frank Kerrigan

                      It can't be done in 3 tries if you don't know if you are looking for a lighter or heavier egg. I suspect your questions has got corrupt.


                      Blog Have I http:\\www.frankkerrigan.com

                      Q Offline
                      Q Offline
                      quiteSmart
                      wrote on last edited by
                      #19

                      the friend that gave me this trick said that it can be done :|:|

                      1 Reply Last reply
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                      • C Colin Angus Mackay

                        Frank Kerrigan wrote:

                        Make pancakes instead......

                        <Homer>Hmmmmm.... Pancakes.... <Drooling/></Homer>


                        Upcoming events: * Glasgow Geek Dinner (5th March) * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

                        Q Offline
                        Q Offline
                        quiteSmart
                        wrote on last edited by
                        #20

                        Yea Pnacakes would much better:):)

                        1 Reply Last reply
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                        • Q quiteSmart

                          I got this trick question today from a friend of mine. I am trying to solve it. i solve 50 percent of the question solved. Note if you have a lot of work don't continue reading cause it will take some time to be solved. The trick question is: You have infront of you 12 eggs. All have the same color the same shape and the same size (you can not diffrentiate between one and the other by just looking at it). 11 of those 12 eggs have the same weight and one differs (either less or more). The question is to find which one of those 12 is the different one. You have a balance and you can use it only 3 times. I will remind you in one important thing that we don't know if the one egg which is different from the others weighs more or less than any of the other 11 eggs. good luck :) if you think you got the solution send your answer to my mail address jamilabkh@gmail.com to leave some time for others to think about it don't post your answers;)

                          E Offline
                          E Offline
                          ensger
                          wrote on last edited by
                          #21

                          With 3 trials you should be able to find the different egg out of 27, I think:) Ciao, Gérard

                          Q 1 Reply Last reply
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                          • E ensger

                            With 3 trials you should be able to find the different egg out of 27, I think:) Ciao, Gérard

                            Q Offline
                            Q Offline
                            quiteSmart
                            wrote on last edited by
                            #22

                            that's not right at all. why don't you post your answer and let us discuss it :doh::doh:

                            E 1 Reply Last reply
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                            • Q quiteSmart

                              I got this trick question today from a friend of mine. I am trying to solve it. i solve 50 percent of the question solved. Note if you have a lot of work don't continue reading cause it will take some time to be solved. The trick question is: You have infront of you 12 eggs. All have the same color the same shape and the same size (you can not diffrentiate between one and the other by just looking at it). 11 of those 12 eggs have the same weight and one differs (either less or more). The question is to find which one of those 12 is the different one. You have a balance and you can use it only 3 times. I will remind you in one important thing that we don't know if the one egg which is different from the others weighs more or less than any of the other 11 eggs. good luck :) if you think you got the solution send your answer to my mail address jamilabkh@gmail.com to leave some time for others to think about it don't post your answers;)

                              B Offline
                              B Offline
                              benjymous
                              wrote on last edited by
                              #23

                              If you know that one egg is heavier, or one is lighter, it's easy. If you just know that one is different, it isn't so simple...

                              Q 1 Reply Last reply
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                              • Q quiteSmart

                                I got this trick question today from a friend of mine. I am trying to solve it. i solve 50 percent of the question solved. Note if you have a lot of work don't continue reading cause it will take some time to be solved. The trick question is: You have infront of you 12 eggs. All have the same color the same shape and the same size (you can not diffrentiate between one and the other by just looking at it). 11 of those 12 eggs have the same weight and one differs (either less or more). The question is to find which one of those 12 is the different one. You have a balance and you can use it only 3 times. I will remind you in one important thing that we don't know if the one egg which is different from the others weighs more or less than any of the other 11 eggs. good luck :) if you think you got the solution send your answer to my mail address jamilabkh@gmail.com to leave some time for others to think about it don't post your answers;)

                                Z Offline
                                Z Offline
                                Zoltan Balazs
                                wrote on last edited by
                                #24

                                quiteSmart wrote:

                                i solve 50 percent of the question solved.

                                What do you mean by that? An this is a really easy trick to solve ... just try to imagine how would you do in real life! It took me about a minute :-D

                                company, work and everything else www.netis.ro

                                Q 1 Reply Last reply
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                                • B benjymous

                                  If you know that one egg is heavier, or one is lighter, it's easy. If you just know that one is different, it isn't so simple...

                                  Q Offline
                                  Q Offline
                                  quiteSmart
                                  wrote on last edited by
                                  #25

                                  That's the trick here. It would be very easy if we knew which one is heavier. Think more:doh:

                                  1 Reply Last reply
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                                  • Z Zoltan Balazs

                                    quiteSmart wrote:

                                    i solve 50 percent of the question solved.

                                    What do you mean by that? An this is a really easy trick to solve ... just try to imagine how would you do in real life! It took me about a minute :-D

                                    company, work and everything else www.netis.ro

                                    Q Offline
                                    Q Offline
                                    quiteSmart
                                    wrote on last edited by
                                    #26

                                    Balazs Zoltan wrote:

                                    just try to imagine how would you do in real life!

                                    Give me some hint :-D:-D

                                    Z 1 Reply Last reply
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                                    • Q quiteSmart

                                      that's not right at all. why don't you post your answer and let us discuss it :doh::doh:

                                      E Offline
                                      E Offline
                                      ensger
                                      wrote on last edited by
                                      #27

                                      27 eggs 1 step: 9 eggs on the left side of the balande, 9 on the right side and nine on the tabel. now you know, in which of 9 eggs is the different one. 2. step: 3 eggs on the left side of the balaance, .... now you know, in which of 3 eggs is the differnt one. 3. step: 1 egg on the left side of the balance,...... Is there a fault??? Ciao, Gérard

                                      C 1 Reply Last reply
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                                      • E ensger

                                        27 eggs 1 step: 9 eggs on the left side of the balande, 9 on the right side and nine on the tabel. now you know, in which of 9 eggs is the different one. 2. step: 3 eggs on the left side of the balaance, .... now you know, in which of 3 eggs is the differnt one. 3. step: 1 egg on the left side of the balance,...... Is there a fault??? Ciao, Gérard

                                        C Offline
                                        C Offline
                                        Colin Angus Mackay
                                        wrote on last edited by
                                        #28

                                        Yes, of the last set which is the odd one out. As you don't know whether it is heavier or lighter you only have a chance of being right. In the last set if the two eggs on the balance (one on each side) are equal it is the one on the table, if the two eggs on the balance are unequal then which is it? It isn't the one on the table, but it is on on the balance - but which? It is still a 50/50 split.


                                        Upcoming events: * Glasgow Geek Dinner (5th March) * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

                                        E 1 Reply Last reply
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                                        • Q quiteSmart

                                          Balazs Zoltan wrote:

                                          just try to imagine how would you do in real life!

                                          Give me some hint :-D:-D

                                          Z Offline
                                          Z Offline
                                          Zoltan Balazs
                                          wrote on last edited by
                                          #29

                                          You know one of the eggs is lighter or heavier. So at the 3rd step you put on the balance 1 egg - 1 egg. If the balance shows that the 2 eggs are equal weight the you know the rest. If you have an electronic balance you need to find another way :)

                                          company, work and everything else www.netis.ro

                                          Q B 2 Replies Last reply
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