Decode this picture on T-Shirt and tell what it says ?

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

What has a bottom at the top?

Complete the table series riddle by finding the number that can replace "??".

Can you count the number of quadrilaterals in the picture below?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

What is the next number in this matchsticks series riddle?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Which part of London exists in France as well ?