Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you spot the hidden girl in the picture below?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Can you solve the below geography rebus by decoding the below rebus ?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

What country can make you shiver?

Can you find out who is the kidnapper in below Picture and why, Explain ?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?