Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What is black when you buy it, red when you use it, and gray when you throw it away?

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

How many triangles can you find in this given picture?

The Little ant seems to be always confused. Do you know why?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.