Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How many bananas can you eat if your stomach is empty?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

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?