Replace the question mark with the correct number.

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What does Alexander the Great and Winnie the Pooh have in common?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?