I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

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

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Spot what is wrong here in below Picture?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What is the word or phrase?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?