Why do you find that most of the buildings are deprived of the 13th floor?
In the picture given below, can you find out which digit will take place of the question mark?
One is to three as three is to five and five is to four and four is the magic number. What is the pattern?
A donkey is behind another donkey I'm behind that second donkey But there is a whole nation behind me It is a murder you can describe in a word.
Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
What number comes next in the series? 5 15 5 18 5 24 14 20 _
Which letter of the alphabet has the most water?
Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees. If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?
Can you find out the missing number in the grid?
What is at the end of a rainbow?
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
