What word begins and ends with an E, but has only one letter?

What seven-letter word has hundreds of letters in it?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

The cream is heavier than Milk. True or False?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

The dirtier I get, the whiter I look. Who am I?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

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

Can you decipher the two rows to find the hidden word?