Can you solve the photo plexer logic ?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Bay of Bengal is in which state?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Solve the mathematical equation in the picture below.