I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Seek and Puzzle: Only the Sharpest Eyes Can Spot the Hidden Star in 10 Seconds

Solve the counting riddle by identifying the number of triangles in the given picture.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

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?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

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

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.