What month of the year has 28 days?
You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?
There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
Find the last number in the series below: voN luJ yaM raM ---
When it is alive we sing, when it is dead we clap our hands. What is it?
I never was there, I am always to be. You have never ever seen me, not ever you will. Yet I am the confidence of everyone. Who Am I?
At a Society election for president, precisely 963 votes were cast. There is a total of 4 candidates that participate in the election. The winning candidate exceeds the opponents by 53, 79 and 105 votes. How many votes do each candidate gets?
Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime." How old are the daughters?
You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?
The measurement of time, That can't be found on a clock, But can be looked upon on a map. Who is He ?
Can you complete the sequence puzzle? AR TA GE CA LE VI LI _
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
