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

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

If a wheel has 54 spokes, how many spaces are there between the spokes?

What do you see in the image below

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

When is the top of a mountain similar to a savings account?