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.
Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?
The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?
A sundial has the fewest moving parts of any timepiece. Which has the most?
What has one letter and starts with an E?
Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?
You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?
Count the number of triangles in the picture below:
Can you find out the number that should replace the question mark with a valid reason?
Find the next number in the following series: 6, 14, 26, 98, __?
Can you find out which number multiplied by itself will give the output as 12345678987654321?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.