What does this rebus riddle means ?

What has one letter and starts with an E?

Different lights make me strange by changing me into different sizes. What am I?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

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

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

What can jump higher than a building?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

I have an eye but still cannot see.

Who am I?