Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

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

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

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

John was drowned by he was not wet. How?

Can you solve the photo plexer logic ?

Can you make a six-letter word using the letters N, A and B ?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.