Solve the following series:
AZ, GT, MN, __, YB

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

I am the fastest animal but cannot climb the tree. What am I?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.