Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

how come the second man dies?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

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 ?

You can hear me, but you can't touch or see me.

What am I?

What's the best place to go shopping in the ocean?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you name some countries which do not have the alphabet 'A' in them?