By cansu olce / July 18, 2021

Caesar and Vigenère Ciphers

These two ciphers are simple enough: they require only that letters are substituted with others in the alphabet. The Caesar...

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By cansu olce / July 17, 2021

Challenging question

What do you think the next three terms in this sequence should be? F, 4, E, S, 9, S, E,...

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By cansu olce / July 14, 2021

5 Hard Questions

What is the area of a triangle whose sides measure 400 feet, 700 feet and 300 feet? 2. You have...

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By cansu olce / July 12, 2021

5 Challenging Questions

Think of a number. Double it. Add ten to your answer. Take half of the number you now have. Finally,...

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