As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?
What is harder to catch the faster you run?
Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal? Note: 9 cannot be turned over to make it 6.
When my father was 31 I was 8. Now he is twice as old as me. How old am I?
A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?
Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask. Who are these two masked girls?
What word is pronounced the same if you take away four of its five letters?
A network of 20 x 10 squares is given to you. Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?
I’m tall when I’m young, and I’m short when I’m old. What am I?
I am a three digit number. My tens digit is five more than my ones digit. My hundreds digit is eight less than my tens digit. What number am I?
There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.