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Results tagged with logical-deduction
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user 28756
A puzzle that requires formal logical deduction to arrive at the solution. This suggests more than merely reasoning through clues to find an answer (you might want [situation] for that).
0
votes
11
votes
1
answer
4k
views
Difference Triangle
The numbers 1 through 6 are arranged so that any number resting between and below two other numbers is the difference between those two numbers. A square between 2 adjacent circles means the differenc …
- 17.9k
4
votes
1
answer
333
views
What is the right answer for this question, with 4 different conditions
I'm confused; what are the right answers for the following question under each of the 4 different conditions listed below?
“Are you Lala, or lying today, but not both?”
If you are Lala, and you …
- 17.9k
1
vote
Guess a number between 1 to 27 with 3 Yes/No/Maybe questions
rand al'thor, 2012rcampion, Xenocacia, Paul Evans have answers correctly,
here I give another way to answer correctly, without making Mr. Smith thinks too long. Even a kid can answer the questions.
I …
- 17.9k
2
votes
1
answer
191
views
Arrangement at the puzzling class
PSE open a puzzling class.
16 students join the class.
the classroom have 16 chairs arranged in (4 x 4) grid.
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
Students initials are A,A,D,E …
- 17.9k
5
votes
6
answers
866
views
You meet Yessayer, Nosayer, Truther, Liar
You meet 4 persons you haven't seen before, and must ask questions to determine who is who.They know each other, and their friends' behaviour.
You may ask each as many times as you want but only yes/n …
- 17.9k
10
votes
6
answers
6k
views
Guess a number between 1 to 27 with 3 Yes/No/Maybe questions [duplicate]
Your best friend (Bob) comes to you with this problem.
The Problem
His teacher (Mr. Sam) will ask Bob to work out a number in his head between 1 and 27.
Bob has to find the correct number, by asking M …
- 17.9k
10
votes
2
answers
1k
views
Create a long snake
Start from the left bottom corner, you can spin the cell to create a long snake!
Example :
Solve this :
- 17.9k
11
votes
2
answers
781
views
Fill the squares with the right tetrominoes
Fill the squares with the right tetrominoes, so each tetromino contains numbers 1 to 4.
Example :
- 17.9k
2
votes
4
answers
390
views
Choosing a leader from 3 groups of students
At a class, the students are going to choose a leader. The class has 3 groups of students, and each group contains 4 students, so the total number of students is 12. After discussion, they determine t …
- 17.9k
43
votes
Accepted
10
votes
2
answers
1k
views
13-by-13 SIKAKU puzzle
A SIKAKU puzzle consists of a square or rectangular grid in which some of the cells contain a one or two digit number. To complete the puzzle, a Solver must divide the puzzle into a number of rectangl …
- 17.9k
3
votes
1
answer
212
views
Fill the table so every consecutive 3 numbers sums to 50 or 100
Arrange numbers 1 to 40 to the table with rules:
Multiple of 4 Numbers and some perfect square numbers are already there as guide.
Every 3 consecutive numbers with pattern white-yellow-white, must s …
- 17.9k
8
votes
3
answers
5k
views
Determine which statements are True, and which statements are False
Determine which statements are True, and which statements are False
There are 3 consecutive False statements
This is The First True Statement
There are equal numbers of True and False state …
- 17.9k
4
votes
2
answers
461
views
Arrange the digits from 0 to 9 into a number which is divisible by every integer from 12 to 21
Arrange the digits from 0 to 9 into a number which is divisible by every integer from 12 to 21 inclusive.
(There are 2 right answers.)
- 17.9k