What seven-letter word has hundreds of letters in it?

What has many keys but can’t open a single lock?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

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?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?