A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

How is the moon similar to a dollar?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

I cannot talk, but I always reply when spoken to. What am I?

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

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?