What is the usual size of polybius square used for encrypting English alphabets?
Posted: Wed Jul 13, 2022 7:40 pm
a) 5 X 5
b) 6 X 6
c) 26 X 26
d) 25 X 25
b) 6 X 6
c) 26 X 26
d) 25 X 25
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