Brain Teasers
Times Four
Cryptography
In Cryptography teasers, a phrase or expressions has been encoded in some way (frequently by replacing letters with other letters). You need to figure out the encoding method and then decode the message to find the answer.Cryptography
Supply a digit for each letter so that the equation is correct. There is only one set of digits that will work. A given letter always represents the same digit and each letter represents a different digit:
A B C D E
x 4
---------
E D C B A
A B C D E
x 4
---------
E D C B A
Answer
21978x4
-----
87912
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