Which number should replace the question mark?

The dirtier I get, the whiter I look. Who am I?

It is always ahead of me yet I can never see it. What is it?

How many bananas can you eat if your stomach is empty?

I have feet, but no legs. Which animal Am I?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

Can you find the company name in the pictogram below?

Can you name four days which start with the letter 'T'?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?