Find out the number of circles in the given picture having Illusion

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What is at the end of a rainbow?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Before Mount Everest was discovered, what was the highest mountain in the world?

A fresher was sitting in an interview. The interviewer said, "This is the last question of your interview. Tell me the accurate position of the centre of this table where your resume is kept."

How can he answer this question? What will you have answered to such a question?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.