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?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

What has a ring but no finger?

Can you make a six-letter word using the letters N, A and B ?

If six children and two dogs were under an umbrella, how come none of them got wet?

Can you solve the maths in the below-given picture equation?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Solve the following series:
AZ, GT, MN, __, YB

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145