Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

What number divided by 4 is the same as that number minus 4?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

What jumps when it walks and sits when it stands?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

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?

Which country gets ill every time?

Can you solve the photo plexer logic ?

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