Can you solve this amazing hard number series problem? 7, 8, 10, 12, 16, 18 ?
What is black when you buy it, red when you use it, and gray when you throw it away?
What is the difference between a jeweller and a jailer?
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
What came first, the chicken or the egg?
Can you find the six hidden animals in the picture below?
How many words can a pen with half refill write?
What seven-letter word has hundreds of letters in it?
Can you solve the below algebraic mathematical equation? (J+O+I+N+T)3 = JOINT
What common phrase is represented by the below lines Easy going: Weak, 'I'm going.' Tough, 'I'm staying.' Medium going: Weak, 'I'm going.' Tough, 'I'm staying.' Tough going: Weak, 'I can't do it, I'm staying!' Tough, 'Let's get going.'
What is the word or phrase?
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