Which number should replace the question mark?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.