Christmas 2018 Celebration Problem
Today is Christmas! Your friend sent you a package of precious minerals. However, for security reasons, he added a padlock. He also sent you the following message:
Tlyyf Joypzathz! P bzlk Jhlzhy Jpwoly dpao h zopma vm 7. Olyl hyl aol puzaybjapvuz av vwlu aol whjrhnl vm wyljpvbz tpulyhsz: mpuk aol huzdly vm 9 jbilk tpubz 8 zxbhylk wsbz 7. Hyyhunl aol kpnpaz vm aol huzdly zv aoha pa dpss il kpcpzpisl if 112. Aol huzdly pz aol jvkl av aol whksvjr vm aol whjrhnl.
The package was his precious gift to you. You need to be able to find the passcode of the padlock. You always use Caesar Cipher in messages like this. What is the padlock’s code?
The answer is 672.
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1 solution
Use the Caesar Cipher with a shift of 19. The message was:
Merry Christmas! I used Caesar Cipher with a shift of 7. Here are the instructions to open the package of precious minerals: find the answer of 9 cubed minus 8 squared plus 7. Arrange the digits of the answer so that it will be divisible by 112. The answer is the code to the padlock of the package.
Note that 19+7=26, so your friend didn’t lie by saying he used shift 7. 9 cubed minus 8 squared plus 7 is 672, which is divisible by 112, so the code was 672.