These two ciphers are simple enough: they require only that letters are substituted with others in the alphabet. The Caesar... What do you think the next three terms in this sequence should be? F, 4, E, S, 9, S, E,... What is the area of a triangle whose sides measure 400 feet, 700 feet and 300 feet? 2. You have... Think of a number. Double it. Add ten to your answer. Take half of the number you now have. Finally,...Caesar and Vigenère Ciphers
Challenging question
5 Hard Questions
5 Challenging Questions