Which of the below owl is odd one out?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

You need to cut a round cake into eight equal pieces with just 3 cuts. Can you do it?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you replace the question mark with the correct number in the below table sequence?