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

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What 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?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

Count the number of triangles in the given picture.