Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

I am white when I am dirty, and black when I am clean. What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

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

What occurs twice in a week, once in a year but never in a day?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

I have feet, but no legs. Which animal Am I?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15