# The Mystery Cargo

A wagoner was asked to identify what his load contained. However, he provided the following vague response: Three-fourths of a cross, and a circle complete; An upright, where two semi-circles do meet; A right-angled triangle standing on feet; Two semi-circles, and a circle complete. Can you figure this out? Solution The verse describes capital letters. […]

# What Color Is the Dragon?

Credit: Antonio J. Manzanedo Two knights encounter a dragon, who quickly responds, “I am protected by the king’s decree.” Gray rational dragons and red predator dragons always tell the truth; red rational dragons and gray predator dragons always lie. What color is the dragon? Solution This is a puzzle from Norman D. Willis’ Challenging False […]

# The Wine Merchant’s Will

A wine merchant left 24 casks of wine to his three sons, and the casks were in the following conditions: 5 casks were full. 11 casks were half-full. 8 casks were empty. His last will said that each son must be bequeathed with the same amount of wine and the same number of casks. To […]

# An Easy Sequence?

Can you name the number that would complete this peculiar eight-term sequence? 19, 5, 17, 21, 5, 14, 3, ? Solution This is supposed to be an easy sequence but you won’t be able to solve it if you only try to find some sort of mathematical patterns, which is a common mistake made by […]

# Precise Dissection Puzzle

Can you find a way to dissect the figure above in half into two pieces in such a way that both pieces have the same shape and size? Solution The solution is not complicated though it may not be obvious at first glance.

# A Very Easy Number Sequence Puzzle (If You Figured It Out)

What is the next term in the following sequence? 7, 8, 5, 5, 3, 4, 4, ? Solution This type of puzzle is extremely easy once you found out the pattern involved. However, it can be frustrating to solve for some people. To know the next digit, you must first figure out the underlying pattern […]

# What’s Next: A Pattern Recognition Puzzle

Can you determine the next pattern in this pattern sequence? Solution In every row, the three images depict lines with 0, 1 and 2 intersections. That is, each row must contain an image with 0 intersection, an image with 1 intersection, and an image with 2 intersections. The number of intersections of the images for […]

# Strange Subtraction

I took 1 from 19 and I got 20. How was that possible? . . . . Solution (Click to Show) It’s in Roman numeral. So, taking away I (1) from XIX (19) leaves me with XX (20).