The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
I guess 76.8% of readers will like this riddle. What's the least number of people should read this post?
What does this rebus mean? O N C E TIME
If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?
Analyze and find the missing item in the sequence: 16, 06, 68, 88, __, 98
What can jump higher than a building?
There are six people in a family namely M, N, O, P, Q and R. R and O are brother and sister. N is the brother of Q's husband. P is the father of M and grandfather of R. How many male members are in the family?
The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?
There are a hundred statements. First person says: At least one of the statements is false. Second person says: At least two of the statements is false. Third person says: At least three of the statements are false. Fourth person says: At least four of the statements are false. .. .. .. Hundredth person says: At least a hundred of the statements are false. Analysing it, how many statements do you think are false and how many are true?
How many times can you subtract the number two from the number fifty?
What is the next number in this matchsticks series riddle?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki