The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

Why do Chinese men eat more rice than Japanese men do ?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Why is 6 afraid of 7?

What is the fastest way to double your money?

What word is represented by this rebus?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?