Can you find a five letter word that is left with only two letters if one is removed?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Move three sticks of the spiral below to form a square.

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Why did the Girl throw the butter out of the window?

Why blonde cannot dial 911?

Can you place three balls such that the equation shown in the picture holds true?

What does the below image rebus riddle means ?

Count the number of squares in the picture below.

Eight Chelsea player makes the following statements :

1. Seven of us are lying here.
2. Six of us are lying here.
3. Five of us are lying here.
4. Five of us are lying here.
5. Four of us are lying here.
6. Three of us are lying here.
7. My name is Torres.
8. My name is Lampard.

The last two are Lampard and Torres or maybe Torres and Lampard.
So can you deduce which of the last two is Lampard or Torres?