Can you replace the question mark with the correct number in the below table sequence?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Why do you find that most of the buildings are deprived of the 13th floor?

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Who is that with a neck and no head, two arms and no hands? What is it?

What does the below mathematical rebus mean?

How can you write nineteen in a manner that if we take out one, it becomes twenty?