Which of the below owl is odd one out?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

Which part of London exists in France as well ?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

what's the probability of getting a king or a queen from a pack of 52 cards?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

What number divided by 4 is the same as that number minus 4?