Complete the table series riddle by finding the number that can replace "??".
How many words can a pen with half refill write?
What can go up a chimney down, but can’t go down a chimney up?
What does it mean?
How can you leave a room with two legs and return with six legs?
I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
What is wrong in the below Picture?
John can place six large boxes or nine small boxes into a carton. Can you find out in how many cartons can he place sixty-six boxes in total?
If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age. How old will John be two years from now?
Why is it against the law for a man living in Delhi to be buried in Mumbai?
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
