Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

It belongs to you, but other people use it more than you do. What is it?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

I am the fastest animal but cannot climb the tree. What am I?

Find the next number in the following series:
6, 14, 26, 98, __?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

What is common among 11, 69, and 88?

What jumps when it walks and sits when it stands?