There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Why despite killing dozens of people Charley and Wilma were not punished?

Replace the question mark with the correct number in the below-given picture?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

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?

Prove that the below maths equation is true.

8 + 8 = 91

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?

I travel all around the world but always stay in the corner. What am I?