Solution:

35

Explanation
4 : 1/2 X 1/2 matchsticks squares
17: 1X1 matchsticks squares
9 : 2X2 matchsticks squares
4 : 3X3 matchsticks squares
1 : 4X4 matchsticks squares
================
35

Solution:

They are sunglasses (sit on the bridge of your nose)

Solution:

I am surrounded by the enemies.

Solution:

89 (ASCII CODE OF Y)

Q W E R T Y
81 87 69 82 84 ?

Solution:

solution solved as below.

Solution:

Simple, the slow ones are in prison :-)

Solution:

Look at the stripes at tiger's body. It's written there.

Solution:

I am spoons/plate (more answer possible)

Solution:

she cant find 11 on phone.

Solution:

The password that opens the chamber is 65292.