When I got four, I have it none. When I got two, I have it some. When I got none, I have it all. What is it?
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
Can you find the 09 errors in the picture below?
Count the number of times the letter "F" appears in the following paragraph: FAY FRIED FIFTY POUNDS OF SALTED FISH AND THREE POUNDS OF DRY FENNEL FOR DINNER FOR FORTY MEMBERS OF HER FATHER'S FAMILY.
A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train. How did it happen?
In the given figure, move three matchsticks so that the resulting figure contains two rectangles.
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.)
I always drive my customer away. Who am I?
What is both possible and impossible at the same time?
I go up and I go down. I go up towards the beautiful sky and down toward the green ground. I am present tense. I am past tense too Children love me. Who Am I?
What number should come in place of the question mark below?
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.