How many times can you subtract the number two from the number fifty?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

How can one talk without saying a single word?

What has no start, end, or centre?

Can you solve the maths in the below-given picture equation?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

Why is Saturday stronger than Monday?