Category: Arithmetic

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Question Number 218799 by depressiveshrek last updated on 15/Apr/25 $$\mathrm{For}\mathrm{those}\mathrm{who}\mathrm{are}\mathrm{interested}\mathrm{in}\mathrm{cryptography}.$$$$\mathrm{The}\mathrm{below}\mathrm{text}\mathrm{has}\mathrm{been}\mathrm{encrypted}\mathrm{using}$$$$\mathrm{Vigenere}\mathrm{cipher},\mathrm{such}\mathrm{that}\mathrm{numbers},\mathrm{punctuation}$$$$\mathrm{marks}\mathrm{and}\mathrm{the}\mathrm{letter}\stackrel{..}{\mathrm{E}}\mathrm{have}\mathrm{remained}\mathrm{the}\mathrm{same}.$$$$\mathrm{A}\mathrm{keyword}\mathrm{of}\mathrm{length}9\mathrm{has}\mathrm{been}\mathrm{used},\mathrm{which}$$$$\mathrm{starts}\mathrm{with}\mathrm{the}\mathrm{letter}\mathrm{K}.\mathrm{Decrypt}\mathrm{the}\mathrm{text}.$$ Commented by…

Question Number 218312 by Rojarani last updated on 06/Apr/25 Answered by mr W last updated on 07/Apr/25 $$saythetimeneededfromhouseto$$$$stationAisx,andfromhouseto$$$$stationBisy.$$$${for}\:{up}\:{train}\:{it}\:{is}\:{given}: \…