When can we add 2 to 11 and get 1 as the correct answer?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

What will you call your mother's brother's brother-in-law?

What type of curtain does this rebus mean

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

Find the last number in the series below:

voN luJ yaM raM ---

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