Cristina was born in 1888. She just had her 30th birthday today how did that happen?
Spot 5 differences in two Christmas tree below:
There is a box full of marbles, all but two are blue, all but two are green, and all but two are red. How many marbles are in the box?
John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass. What did the boy do?
A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ... and the resulting number consist of only one digit. Can you identify the number ?
A professor thinks of two consecutive numbers between 1 and 10. 'A' knows the 1st number and 'B' knows the second number A: I do not know your number. B: Nor do I know your number. A: Now I know. What are the four solutions for this?
How many times can you subtract the number 5 from 25?
The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total. How much time will he take to have all the five tablets?
You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.
By what process could you make a 'Tea-Table' into food?
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