I have feet, but no legs. Which animal Am I?

What does below Rebus say?

XLR8

Why is the Hole below a Lock?

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

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

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

I look at you, you look at me, I raise my right, you raise your left. What am I?