Why is it very easy to weigh a fish?

I can write cow in 13 letters.

Can You?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

I am white when I am dirty, and black when I am clean. What am I?

How can one talk without saying a single word?

Why is the Hole below a Lock?

What is the relationship between these matchstick pictures below?