Dr. DJ Upton is a research scientist who enjoys deploying his creative problem solving skills in his freetime creative projects with a passion to bring new games and puzzles into the world. He has published two puzzle books and released an interactive web app dedicated to Vinculus and Hexado puzzles; new types of logic puzzle.
Circles are particles and lines joining them are bonds. The objective is to find all the hidden values, following these four rules:
The solutions are shown below.
At some point in Leonel Messi’s career, the football player had less than 80% success when performing penalty kicks. Later in his career, he had more than 80% success when performing penalty kicks. Show that there was a moment in Leonel Messi’s career
Let us see that it is impossible for Messi to jump from under 80% success rate to over 80% success rate in just one attempt. Indeed, if Messi’s success rate was below 80% after N attempts, then he scored at most 4N/5 – 1/5 = (4N-1)/5 times. If his success rate was above 80% after N+1 attempts, then he scored at least 4(N+1)/5 + 1/5 = (4N-1)/5 + 6/5 times. However, Messi can not score more than one goal in a single attempt, which completes the proof.
There were five men going to church and it started to rain. The four that ran got wet and the one that stood still stayed dry.
Four of the men were carrying a dead man in a coffin to his funeral.
What is the next number in this sequence:
4, 2, 3, 4, 6, 2, 4, ?
The answer is 8. The numbers represent the lengths of the words in the question:
what → 4
is → 2
the → 3
next → 4
number → 6
in → 2
this → 4
sequence → 8
Starting with the letter “T” at the bottom, visit all spots exactly once before returning to the beginning, so that the letters you pass through spell a complete sentence.
The path goes through the letters “T”, “H”, “E”, “R”, “E”, “I”, “S”, “N”, “O”, “P”, “O”, “S”, “S”, “I”, “B”, “L”, “E”, “W”, “A”, “Y”, to spell the sentence “There is no possible way”.
There is a room with a table, 53 bicycles, and four men. One of the four men is dead. How did he die?
The “bicycles” are the (famous) Bicycle playing cards. The four men were playing poker, but one of them was cheating with an extra card, so he got killed.
Raise me none and I am unbeaten.
Raise me once and I am excessive.
Raise me twice and I am forward.
Raise me thrice and I am eaten.
All said right, but wrongly spelled.
Who am I?
The answer is the NUMBER 2:
2⁰ = 1 (“one”), which is unbeaten;
2¹ = 2 (“too”), which is excessive;
2² = 4 (“fore”), which is forward;
2³ = 8 (“ate”), which is eaten.
A piece of a beautiful tapestry is missing. Can you figure out what its colors are?
The tapestry represents the factorizations of the numbers from 2 to 26.
Each 12×12 square on the tapestry represents a number between 2 and 26, such that all squares representing prime numbers are painted in single colors. The colors of the squares representing composite numbers are determined by the factors of these numbers.
The number 2 is represented by orange color (top left corner). The number 3 is represented by green color. The number 4 = 2×2 is represented once again by orange (2, 2) color. The number 5 is represented by red color. The number 6 = 2×3 is represented by orange (2) and green (3) colors. The number 7 is represented by blue color. The number 8 = 2×2×2 is represented once again by orange (2, 2, 2) color. The number 9 =3×3 is represented once again by green (3, 3) color. The number 10 = 2×5 is represented by orange (2) and red (5) colors, and so on.
In the three murder cases below, you can read the testimonies of all suspects. For each case, find who the killer is, knowing that no 2 people are in the same row or column, and that the killer was alone in a room with the victim.
The solutions are shown below.
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