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

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

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

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

What is the next shape from answers A, B, C, and D figure?

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

Solve the mathematical equation in the picture below.