I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

How can you tell a raw egg from a hard-boiled egg?

Can you find the thief by just looking at the picture below?

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

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

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?