Out of four images which one is the odd one out?

I am an odd number. Take away a letter and I become even. What number am I?

How can you make number one disappear by adding something to it?

What has 88 keys?

Using eight eights and addition only, can you make 1000?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?