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

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

What does this rebus riddle means ?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

What do you get if you add 2 to 100 four times?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

There is a place where if I stand up straight, I will still be considered sideways.

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?