Top Tweets for #MathigonPuzzles
DAY 24
What is the least number of moves needed to transfer all seven disks from the first tower to the last, without placing a larger disk on a smaller one?
All puzzles and solutions at https://t.co/qNnNHDXfo2 #Math #Puzzle #MathigonPuzzles
DAY 23
All three circles have radius 1. What is the radius of the larger semicircle?
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DAY 22
What’s the probability that the ball will land in bucket B?
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DAY 21
Can you make all these shapes using the seven Tangram pieces?
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DAY 20
What is the sum of all the digits of the numbers from 1 to 100?
1 + 2 + 3 + … + (9 + 9) + (1 + 0 + 0)
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DAY 19
Use a single, straight-line to cut this shape into two pieces that can be rearranged into a square.
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DAY 18
How many different necklaces can be made using five identical blue beads, and two identical yellow beads?
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DAY 17
You and your friend both throw a fair die. What is the probability that you get a higher number?
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DAY 16
A semicircle is placed inside a square of size 1. What is the diameter d of the semicircle?
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DAY 15
Rearrange these 8 prime numbers and 1 into a magic square where every row and column adds up to the same number.
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DAY 14
How many squares can you make using four of these points as vertices?
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DAY 13
Five people A, B, C, D and E are seated randomly around a round table. What is the probability that A and B are next to each other?
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DAY 12
One cut divides a cake into 2 pieces.
Two cuts can divide it into 4 pieces.
Three cuts can divide it into 7 pieces.
What is the maximum number of pieces you can make with 10 cuts?
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DAY 11
How many of these 15 coins arranged in a triangle do you have to move, so that the triangle points downwards?
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DAY 10
How many numbers between 1 and 9999 consist of at most two different digits?
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DAY 9
Can you cut this right-angled triangle with smaller sides 1 and 2 into five identical triangles, each similar to the big triangle?
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DAY 8
What proportion of this bottle is filled with water?
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DAY 7
Here is a 3 x 4 grid of stamps. How many different ways are there to tear off four stamps (still joined together along their sides)?
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DAY 6
How many squares does the diagonal of a 15 x 27 rectangle pass through?
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DAY 5
What is the next number in this sequence?
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#Math #Puzzle #MathigonPuzzles
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