What is the Surname of Barbie Doll?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

In the four images below, can you find the odd one out?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Be active and find the killer in the picture Riddle below.