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’m tall when I’m young, and I’m short when I’m old. What am I?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

What is the next number in this matchsticks series riddle?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Prove that twice of ten is the same as twice of eleven.

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

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?