Here is a mathematical expression that also secretly tells a movie name. What movie is that?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Why Aeroplane windows are round?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

If Rajina's daughter is my daughter's mom, who am I to Rajina?

There are 3 apples in the basket and you take away 2. How many apples do you have now?