I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

How many triangles can you count in the figure given?

Can you count the number of triangles in the picture below?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

Which alphabet letter is a question?

What does does this rebus picture means ?

People put me on the table and cut me but do not eat me. What am I?

What question can you never answer yes to?

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