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

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

If 1+9+8=1, what is 2+8+9?

What is common among 11, 69, and 88?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What is harder to catch the faster you run?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?