An Odd-Even Cryptogram

Logic Level 2

E 8 + E O O E O \large{\begin{array}{ccc} && & E&8\\ + && & E&O\\ \hline & &O & E & O\\ \hline \end{array}}

In the addition shown above, odd digits have been replaced with "O" and even digits have been replaced with "E". Digits are allowed to repeat.

Not including the shown 8, there are exactly two different even digits and exactly two different odd digits. What is the 3-digit number O E O OEO ?


The answer is 129.

Jason Dyer by Jason Dyer

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1 solution

Vinay Somasundar
Nov 2, 2016

There are two answers for this.

48 + 61 = 109 or 68 + 41 = 109

And

68 + 61 = 129

1 Helpful 0 Interesting 0 Brilliant 0 Confused

Thanks. Added a condition.

Jason Dyer Staff - 4 years, 7 months ago

Thanks. I see that this problem has been edited. Those who previously answered 109 has been marked correct.

In future, if you spot any errors with a problem, you can “report” it by selecting "report problem" in the menu. This will notify the problem creator (and eventually staff) who can fix the issues.

Brilliant Mathematics Staff - 4 years, 7 months ago

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