The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

why number 8549176320 is one of a kind?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

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?

What has a ring but no finger?