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

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Decode the movie name from the below picture?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

If you say my name, I will no longer exist. What am I?

Can you name four days which start with the letter 'T'?