In which direction should the missing arrow point?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

Can you find the thief by just looking at the picture below?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

If eleven plus two equals one, what does nine plus five equal?

Rearrange the letters in "new door" to make one word.

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?