In the four images below, can you find the odd one out?

Whats the next number in the below number sequence pattern.

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

If an electric train is travelling south, then which way is the smoke going?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Buy me, smell me or deliver me, I do not change.

Who am I?

Imagine you are in a room with no windows or doors. How will you get out?