You can see three almost identical images below. Can you spot the odd one out from them?
Find the next number in the series 12, 20, 40, 72, 116, 172 ?
What word is pronounced the same if you take away four of its five letters?
Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?
What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
What word is represented by this rebus?
How could a baby fall out of a twenty-story building onto the ground and live?
The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?
The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
Prove that the below maths equation is true. 8 + 8 = 91
what does this below rebus represent identXQQQQQME
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
