What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Find the missing number in the sequence below:

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

How many times can you subtract the number two from the number fifty?

Solve the puzzle by telling what does below picture means.

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Which wheel of car does not rotate when you turn your car right?

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?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?