You knock a Table over in the library, and suddenly 20 eyes are looking at you.

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:

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?