I’m tall when I’m young, and I’m short when I’m old. What am I?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

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

What's the best place to go shopping in the ocean?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...