I am an odd number. Take away a letter and I become even. What number am I?

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?

What question can you never answer yes to?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

Whats the next number in the below number sequence pattern.

Move four matchsticks to the below square to form three squares?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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