There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
What always comes into a house through the keyhole?
By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.
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
Can you solve the maths in the below-given picture equation?
What is the fastest way to double your money?
Who always enjoys poor health?
Can you make four (4) nines (9) equal 100?
What has to be broken before you can use it?
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
What begins with T, ends with T, and has T in it?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.