A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

In the four images below, can you find the odd one out?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

I have feet, but no legs. Which animal Am I?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

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