Can you replace the question mark with the correct number in the below table sequence?

Solve the following series:
AZ, GT, MN, __, YB

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Which is the smallest number that you can write using all the vowels exactly once?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Guess the hidden movie name?