#1
What 5-letter word becomes shorter when you add two letters to it?
Short
ExplanationAdding 'er' makes it 'shorter'.
#2
I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
Pencil Lead
ExplanationPencil lead is encased in wood and used by almost everyone.
#3
What comes once in a minute, twice in a moment, but never in a thousand years?
The letter 'M'
ExplanationThe letter 'M' appears once in 'minute' and twice in 'moment'.