User Especially Lime

75 votes

Zeno's Achilles & Tortoise - Where exactly is the proof wrong?

answered Jul 20, 2020 at 7:11

47 votes

Where is the flaw in this "proof" of the Collatz Conjecture?

answered Oct 31, 2017 at 8:33

39 votes

What's your explanation of the Raven Paradox?

answered Mar 22, 2017 at 10:34

36 votes

Accepted

Monty hall problem probability 2/6?

answered Aug 7, 2017 at 13:42

36 votes

Accepted

What would you call a finite collection of unordered objects that are not necessarily distinct?

answered Mar 25, 2019 at 11:24

36 votes

Accepted

Find a simple proof that π is irrational

answered Dec 4, 2023 at 20:28

32 votes

Chances of rolling "Snake Eyes" at least once in a series of rolls.

answered Oct 3, 2018 at 13:40

32 votes

Accepted

Prove that if fifteen bishops were placed on a chessboard, then at least two of them attack each other.

answered Oct 13, 2017 at 8:43

31 votes

Can purchase of insurance be justified mathematically?

answered Sep 1, 2017 at 10:13

31 votes

Coin flipping probability?

answered Sep 6, 2017 at 14:54

30 votes

Accepted

Why is "A only if B" equivalent to "(not A) or B"?

answered Mar 9, 2017 at 8:53

30 votes

Accepted

Remove bridges to make finding a path impossible.

answered Oct 25, 2018 at 12:26

29 votes

Accepted

If a deck of 54 cards (including 2 jokers) is evenly split into 3 groups of 18, what is the probability that any one group contains both jokers?

answered Dec 7, 2023 at 10:48

27 votes

Accepted

Does the gamblers fallacy not apply to Bayesian probability?

answered Feb 22, 2023 at 11:59

27 votes

Accepted

Are all highly composite numbers even?

answered Dec 21, 2018 at 14:52

26 votes

Does one accepted false statement allow proving anything?

answered Dec 6, 2023 at 9:14

25 votes

Accepted

Rolling $2$ dice: NOT using $36$ as the base?

answered Apr 18, 2017 at 17:34

25 votes

Accepted

Total number paths between two nodes in a complete graph

answered Aug 26, 2017 at 18:10

23 votes

Why is there a pattern to the last digits of square numbers?

answered May 25, 2018 at 8:46

23 votes

What is the mathematical notation for rounding a given number to the nearest integer?

answered Sep 12, 2019 at 8:56

20 votes

Accepted

What is $\log(n+1)-\log(n)$?

answered Jul 22, 2018 at 11:48

20 votes

Accepted

How many $6$-sided and $8$-sided standard dice exist?

answered Nov 27, 2017 at 14:50

18 votes

Accepted

Is the word "empty" in set theory different from the word "empty" in ordinary language?

answered Sep 10, 2018 at 10:48

18 votes

Accepted

Corners are cut off from an equilateral triangle to produce a regular hexagon. Are the sides trisected?

answered Jun 19, 2020 at 11:28

17 votes

Is there a function that grows faster than exponentially but slower than a factorial?

answered Jan 9, 2018 at 12:15

17 votes

Having difficulty understanding probabilities in this question

answered Jan 18, 2018 at 11:22

15 votes

Prime Number Rows in a Pascal's Triangle

answered Jun 28, 2018 at 9:09

15 votes

Accepted

Why is $a^2+b^2$ more likely to be prime than $a^2+b$?

answered Sep 7, 2019 at 9:54

14 votes

Are there more truths than proofs?

answered Jun 26, 2023 at 20:54

14 votes

Is there a quick way to write say positive integers in an interval in mathematical notation?

answered May 24, 2018 at 7:51

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1,222 Answers

Zeno's Achilles & Tortoise - Where exactly is the proof wrong?

Where is the flaw in this "proof" of the Collatz Conjecture?

What's your explanation of the Raven Paradox?

Monty hall problem probability 2/6?

What would you call a finite collection of unordered objects that are not necessarily distinct?

Find a simple proof that π is irrational

Chances of rolling "Snake Eyes" at least once in a series of rolls.

Prove that if fifteen bishops were placed on a chessboard, then at least two of them attack each other.

Can purchase of insurance be justified mathematically?

Coin flipping probability?

Why is "A only if B" equivalent to "(not A) or B"?

Remove bridges to make finding a path impossible.

If a deck of 54 cards (including 2 jokers) is evenly split into 3 groups of 18, what is the probability that any one group contains both jokers?

Does the gamblers fallacy not apply to Bayesian probability?

Are all highly composite numbers even?

Does one accepted false statement allow proving anything?

Rolling $2$ dice: NOT using $36$ as the base?

Total number paths between two nodes in a complete graph

Why is there a pattern to the last digits of square numbers?

What is the mathematical notation for rounding a given number to the nearest integer?

What is $\log(n+1)-\log(n)$?

How many $6$-sided and $8$-sided standard dice exist?

Is the word "empty" in set theory different from the word "empty" in ordinary language?

Corners are cut off from an equilateral triangle to produce a regular hexagon. Are the sides trisected?

Is there a function that grows faster than exponentially but slower than a factorial?

Having difficulty understanding probabilities in this question

Prime Number Rows in a Pascal's Triangle

Why is $a^2+b^2$ more likely to be prime than $a^2+b$?

Are there more truths than proofs?

Is there a quick way to write say positive integers in an interval in mathematical notation?