What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Can you identify if it's a murder or a suicide ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

In the picture given below, can you find out which digit will take place of the question mark?

How is a fly different from a mosquito?

What's a single-digit number with no value?