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

BASE +
BALL
---------
GAMES
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What goes through cities and fields, but never moves?

What is the centre of gravity?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

What begins with T, ends with T, and has T in it?

81 x 9 = 801. What must you do to make the this equation true?

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 ?

What month of the year has 28 days?

If six children and two dogs were under an umbrella, how come none of them got wet?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?