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

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

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Replace the question mark with the number below given a simple math problem.

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Which English verb becomes past tense just by rearranging the letters?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?