Mind Reading - No Simple Maths

Lets have a bit of interactive fun. This works with any number but if you think of a fairly small number the maths will be easier. Ready. OK lets try it.

Think of a number
Double it
Add 6
Half it
Take away the number you first thought of
The answers 3

Let's have another go.

Think of a different number
Double it
Add 10
Half it
Take away the number you first thought of
The answers 5

Got it? If not e-mail me at garlant@btinternet.com I will tell you.