What's the best place to go shopping in the ocean?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

What type of tree can I carry in my hand?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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

What does a man do only once in his lifetime, but women do once a year after they are 29?

Prove that the below maths equation is true.

8 + 8 = 91

Why are televisions attracted to people?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

What 5-letter word typed in all capital letters can be read the same upside down?