What do you get if you add 2 to 100 four times?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

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?

Can you spot the hidden girl in the picture below?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?