I have left you some number puzzles on the blackboard. Solve them and let me know what they spell.
Hint:
The final answer is two words and is something from Harry Potter
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2 Answers
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The answer is
TUTSHILL TORNADOS
The individual answers, starting from top left and moving right, are
19 (subtract 19 each time)
20 (multiply by 5)
19 (a^2 + b)
18 (sum of 2 opposite triangles)
7 (multiply 2 vertices, divide by left vertice)
8 (square of opposite number minus 1)
11 (sum of adjacent sides)
11 (a*b + a + b)
19 (circle is 4, triangle is 2, rectangle is 1)
14 (base 8)
17 (rotate 180 degrees)
13 (sum of opposites minus bottom right gives top left)
0 (just calculate)
3 (just algebra)
14 (just calculate)
18 (sum of two left diagonals gives number on top)
Then use A-Z = 0-25.
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$\begingroup$ Correct. You got all of them right. $\endgroup$ Commented Mar 1, 2020 at 13:37
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$\begingroup$ If you want to solve more, I've posted some letter puzzles. Some are similar, others are new. puzzling.stackexchange.com/questions/94388/… $\endgroup$ Commented Mar 1, 2020 at 14:16
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Solving the number puzzles:
$19$ (descending multiples of 19)
$20$ (multiplying the left number by 5 to get the right one)
$19$ (square of first number plus second number gives third number)
$18$ (each outer number is the sum of the two inner numbers furthest from it)
$7$ (bottom left of each triangle is the product of the other two divided by 2)
$8$ (each larger number is the square of the opposite smaller number minus 1)
$11$ (each larger number is the sum of the two adjacent smaller numbers)
$11$ (add 1 to everything and this becomes simply products)
- See Jens's answer - I didn't manage to get this one.
$14$ (base 8 on the left, base 10 on the right)
- See Jens's answer - I didn't manage to get this one.
$13$ (both diagonals give the same sum)
$0$ (direct calculation)
$3$ (solving the first two equations gives A=30 and B=10)
$14$ (direct calculation)
$18$ (moving from southwest to northeast by making each new cell the sum of the two touching it)
Turning the numbers into letters:
S T S R
G H K K
S N Q M
C N R
The final step, motivated by the appearance of
no vowels, but quite a few letters that precede vowels, like S and N (this also explains the mysterious zero),
is to
add 1 to all the numbers (or Caesar-shift the letters by 1) to get:
T U T S
H I L L
T O R N
A D O S
yielding the solution.
answered Mar 1, 2020 at 13:33
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$\begingroup$ You got it! If you want to solve more, I've posted some letter puzzles. Some are similar, others are new. puzzling.stackexchange.com/questions/94388/… $\endgroup$ Commented Mar 1, 2020 at 14:16