What number when divided in half becomes zero?

Decode below three cipher riddles:

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

Replace the question mark with the number below given a simple math problem.

I add 5 to 9 and get 2. The answer is correct, so what am I?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Solve the equation in the image by looking at the pattern closely.

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

What can you catch but never throw?

How can one talk without saying a single word?