Which number replaces the question mark in the circle?











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enter image description here



While solving the number puzzle, I couldn't find any solution for this problem. Please help me solve it and briefly explain your answer. Which number will replace the question mark in the circle below?






number-sequence puzzle-creation







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Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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    up vote
    8
    down vote

    favorite
    1












    enter image description here



    While solving the number puzzle, I couldn't find any solution for this problem. Please help me solve it and briefly explain your answer. Which number will replace the question mark in the circle below?






    number-sequence puzzle-creation







    share|improve this question









    New contributor




    Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      8
      down vote

      favorite
      1









      up vote
      8
      down vote

      favorite
      1






      1





      enter image description here



      While solving the number puzzle, I couldn't find any solution for this problem. Please help me solve it and briefly explain your answer. Which number will replace the question mark in the circle below?






      number-sequence puzzle-creation







      share|improve this question









      New contributor




      Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      enter image description here



      While solving the number puzzle, I couldn't find any solution for this problem. Please help me solve it and briefly explain your answer. Which number will replace the question mark in the circle below?






      number-sequence puzzle-creation




      number-sequence puzzle-creation






      share|improve this question









      New contributor




      Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




      Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question








      edited 13 hours ago









      S. M.

      713411




      713411






      New contributor




      Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      asked 13 hours ago









      Mateen Ahmed

      3159




      3159




      New contributor




      Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      New contributor





      Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Mateen Ahmed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















          2 Answers
          2






          active

          oldest

          votes

















          up vote
          9
          down vote



          accepted











          7




          In the first row,




          The number in the middle circle is the sum of the numbers in the left and right circles in the same positions.




          In the second row,




          The number in the middle circle is the difference between the numbers in the left and right circles in the same positions. It does not matter which is subtracting from which, it is the absolute difference.







          share|improve this answer





















          • Interestingly, if the 5 in the bottom right circle is changed to a 3 then the pattern which has only subtly changed would be more easily stated, because the upper and lower rows would have the same pattern. Of course, this would change the value of the "?"
            – Octopus
            5 hours ago


















          up vote
          6
          down vote














          If we number the circles as follow:

          First row A B C

          Second row D E F

          On the first row we get for each corresponding sector B(n) = A(n) + C(n)

          namely: 5 = 2 + 3, 7 = 6 + 1, etc.

          On the second row the rule seems to change to alternating D(n) - E(n) = F(n)

          and in the next segment D(n+1) + E(n+1) = F(n+1)

          Starting from top left we get 7 - 1 = 6, 1 + 4 = 5, 8 - 6 = 2, 2 + ? = 9

          Which leads us to ? = 7







          share|improve this answer























          • Your answer was invisible when I answered. I'd like to point out, however, that the answer that I have provided is simpler and the rule for the second row more closely matches the rule for the first row. +1 anyway
            – kanoo
            13 hours ago










          • @kanoo Fair enough, I'm not arguing about being first.
            – rhsquared
            13 hours ago






          • 1




            Nono, I know you're first, the timestamps prove that lol and I don't spend enough time on this site to care about the points. No ill intent my friend.
            – kanoo
            13 hours ago











          Your Answer





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          2 Answers
          2






          active

          oldest

          votes








          2 Answers
          2






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          9
          down vote



          accepted











          7




          In the first row,




          The number in the middle circle is the sum of the numbers in the left and right circles in the same positions.




          In the second row,




          The number in the middle circle is the difference between the numbers in the left and right circles in the same positions. It does not matter which is subtracting from which, it is the absolute difference.







          share|improve this answer





















          • Interestingly, if the 5 in the bottom right circle is changed to a 3 then the pattern which has only subtly changed would be more easily stated, because the upper and lower rows would have the same pattern. Of course, this would change the value of the "?"
            – Octopus
            5 hours ago















          up vote
          9
          down vote



          accepted











          7




          In the first row,




          The number in the middle circle is the sum of the numbers in the left and right circles in the same positions.




          In the second row,




          The number in the middle circle is the difference between the numbers in the left and right circles in the same positions. It does not matter which is subtracting from which, it is the absolute difference.







          share|improve this answer





















          • Interestingly, if the 5 in the bottom right circle is changed to a 3 then the pattern which has only subtly changed would be more easily stated, because the upper and lower rows would have the same pattern. Of course, this would change the value of the "?"
            – Octopus
            5 hours ago













          up vote
          9
          down vote



          accepted







          up vote
          9
          down vote



          accepted







          7




          In the first row,




          The number in the middle circle is the sum of the numbers in the left and right circles in the same positions.




          In the second row,




          The number in the middle circle is the difference between the numbers in the left and right circles in the same positions. It does not matter which is subtracting from which, it is the absolute difference.







          share|improve this answer













          7




          In the first row,




          The number in the middle circle is the sum of the numbers in the left and right circles in the same positions.




          In the second row,




          The number in the middle circle is the difference between the numbers in the left and right circles in the same positions. It does not matter which is subtracting from which, it is the absolute difference.








          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 13 hours ago









          kanoo

          1,946327




          1,946327












          • Interestingly, if the 5 in the bottom right circle is changed to a 3 then the pattern which has only subtly changed would be more easily stated, because the upper and lower rows would have the same pattern. Of course, this would change the value of the "?"
            – Octopus
            5 hours ago


















          • Interestingly, if the 5 in the bottom right circle is changed to a 3 then the pattern which has only subtly changed would be more easily stated, because the upper and lower rows would have the same pattern. Of course, this would change the value of the "?"
            – Octopus
            5 hours ago
















          Interestingly, if the 5 in the bottom right circle is changed to a 3 then the pattern which has only subtly changed would be more easily stated, because the upper and lower rows would have the same pattern. Of course, this would change the value of the "?"
          – Octopus
          5 hours ago




          Interestingly, if the 5 in the bottom right circle is changed to a 3 then the pattern which has only subtly changed would be more easily stated, because the upper and lower rows would have the same pattern. Of course, this would change the value of the "?"
          – Octopus
          5 hours ago










          up vote
          6
          down vote














          If we number the circles as follow:

          First row A B C

          Second row D E F

          On the first row we get for each corresponding sector B(n) = A(n) + C(n)

          namely: 5 = 2 + 3, 7 = 6 + 1, etc.

          On the second row the rule seems to change to alternating D(n) - E(n) = F(n)

          and in the next segment D(n+1) + E(n+1) = F(n+1)

          Starting from top left we get 7 - 1 = 6, 1 + 4 = 5, 8 - 6 = 2, 2 + ? = 9

          Which leads us to ? = 7







          share|improve this answer























          • Your answer was invisible when I answered. I'd like to point out, however, that the answer that I have provided is simpler and the rule for the second row more closely matches the rule for the first row. +1 anyway
            – kanoo
            13 hours ago










          • @kanoo Fair enough, I'm not arguing about being first.
            – rhsquared
            13 hours ago






          • 1




            Nono, I know you're first, the timestamps prove that lol and I don't spend enough time on this site to care about the points. No ill intent my friend.
            – kanoo
            13 hours ago















          up vote
          6
          down vote














          If we number the circles as follow:

          First row A B C

          Second row D E F

          On the first row we get for each corresponding sector B(n) = A(n) + C(n)

          namely: 5 = 2 + 3, 7 = 6 + 1, etc.

          On the second row the rule seems to change to alternating D(n) - E(n) = F(n)

          and in the next segment D(n+1) + E(n+1) = F(n+1)

          Starting from top left we get 7 - 1 = 6, 1 + 4 = 5, 8 - 6 = 2, 2 + ? = 9

          Which leads us to ? = 7







          share|improve this answer























          • Your answer was invisible when I answered. I'd like to point out, however, that the answer that I have provided is simpler and the rule for the second row more closely matches the rule for the first row. +1 anyway
            – kanoo
            13 hours ago










          • @kanoo Fair enough, I'm not arguing about being first.
            – rhsquared
            13 hours ago






          • 1




            Nono, I know you're first, the timestamps prove that lol and I don't spend enough time on this site to care about the points. No ill intent my friend.
            – kanoo
            13 hours ago













          up vote
          6
          down vote










          up vote
          6
          down vote










          If we number the circles as follow:

          First row A B C

          Second row D E F

          On the first row we get for each corresponding sector B(n) = A(n) + C(n)

          namely: 5 = 2 + 3, 7 = 6 + 1, etc.

          On the second row the rule seems to change to alternating D(n) - E(n) = F(n)

          and in the next segment D(n+1) + E(n+1) = F(n+1)

          Starting from top left we get 7 - 1 = 6, 1 + 4 = 5, 8 - 6 = 2, 2 + ? = 9

          Which leads us to ? = 7







          share|improve this answer















          If we number the circles as follow:

          First row A B C

          Second row D E F

          On the first row we get for each corresponding sector B(n) = A(n) + C(n)

          namely: 5 = 2 + 3, 7 = 6 + 1, etc.

          On the second row the rule seems to change to alternating D(n) - E(n) = F(n)

          and in the next segment D(n+1) + E(n+1) = F(n+1)

          Starting from top left we get 7 - 1 = 6, 1 + 4 = 5, 8 - 6 = 2, 2 + ? = 9

          Which leads us to ? = 7








          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 13 hours ago

























          answered 13 hours ago









          rhsquared

          6,87021641




          6,87021641












          • Your answer was invisible when I answered. I'd like to point out, however, that the answer that I have provided is simpler and the rule for the second row more closely matches the rule for the first row. +1 anyway
            – kanoo
            13 hours ago










          • @kanoo Fair enough, I'm not arguing about being first.
            – rhsquared
            13 hours ago






          • 1




            Nono, I know you're first, the timestamps prove that lol and I don't spend enough time on this site to care about the points. No ill intent my friend.
            – kanoo
            13 hours ago


















          • Your answer was invisible when I answered. I'd like to point out, however, that the answer that I have provided is simpler and the rule for the second row more closely matches the rule for the first row. +1 anyway
            – kanoo
            13 hours ago










          • @kanoo Fair enough, I'm not arguing about being first.
            – rhsquared
            13 hours ago






          • 1




            Nono, I know you're first, the timestamps prove that lol and I don't spend enough time on this site to care about the points. No ill intent my friend.
            – kanoo
            13 hours ago
















          Your answer was invisible when I answered. I'd like to point out, however, that the answer that I have provided is simpler and the rule for the second row more closely matches the rule for the first row. +1 anyway
          – kanoo
          13 hours ago




          Your answer was invisible when I answered. I'd like to point out, however, that the answer that I have provided is simpler and the rule for the second row more closely matches the rule for the first row. +1 anyway
          – kanoo
          13 hours ago












          @kanoo Fair enough, I'm not arguing about being first.
          – rhsquared
          13 hours ago




          @kanoo Fair enough, I'm not arguing about being first.
          – rhsquared
          13 hours ago




          1




          1




          Nono, I know you're first, the timestamps prove that lol and I don't spend enough time on this site to care about the points. No ill intent my friend.
          – kanoo
          13 hours ago




          Nono, I know you're first, the timestamps prove that lol and I don't spend enough time on this site to care about the points. No ill intent my friend.
          – kanoo
          13 hours ago










          Mateen Ahmed is a new contributor. Be nice, and check out our Code of Conduct.










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