If eleven plus two equals one, what does nine plus five equal?
John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller. I called their home number and one of them picked up. I asked. 'Does John lie?' The person replied with a yes. Whom did I talk with, John or Jacob?
Can you find out which number multiplied by itself will give the output as 12345678987654321?
The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?
Count the Triangle in the figure given below:
What are the next two letters in the following series and why? W A T N T L I T F S _ _ *Hint: Check Puzzle Title
We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?
What has to be broken before you can use it?
A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result. Can you find how bias is the floor in this case?
Which fur should we be getting from the Lion?
The more you take me, the more you leave me behind. Who Am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
