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

What is common among 11, 69, and 88?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

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

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

How could a baby fall out of a twenty-story building onto the ground and live?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.