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Cryptograms are puzzles where some (or all) digits are missing from an arithmetic operation. Tinker with different combinations of numbers and letters to unlock the right answer. See more

\[ \Large \begin{array} {c c c } & 3 & \color{orange}{X} \\ + & & 7 \\ \hline & 4 & 1 \\ \end{array} \]

What digit in place of \(\color{orange}{X}\) would make the above summation true?

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\[ \Large \begin{array} {c c c } & 2 & \color{blue}{A} \\ \times & & 4 \\ \hline & 9 & 6 \\ \end{array} \]

What digit in place of \(\color{blue}{A}\) would make this multiplication true?

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\[\Large \begin{array} {c c c } & 1 & \color{blue}{E} \\ \times & & \color{blue}{E} \\ \hline & 9 & \color{blue}{E} \\ \end{array} \]

What digit in place of \(\color{blue}{E}\) would make this multiplication true?

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\[ \Large \begin{array} {c c c }
& & \color{green}{C} \\
+ & \color{green}{C} & \color{green}{C} \\

\hline
& \color{purple}{D} & 4 \\
\end{array} \]

In this cryptogram, \(\color{green}{C}\) and \(\color{purple}{D}\) represent two **different** digits. What is the value of \( \color{green}{C} \)?

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\[ \Large \begin{array} { c c c } & 1 & \color{orange}{B} \\ + & \color{orange}{B} & 6 \\ \hline & 7 & 1 \\ \end{array} \]

What digit in place of \(\color{orange}{B}\) would make this sum true?

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