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Rohit Pandey's user avatar
Rohit Pandey's user avatar
Rohit Pandey's user avatar
Rohit Pandey
  • Member for 9 years, 10 months
  • Last seen this week
52 votes
9 answers
12k views

How many fair dice exist?

16 votes
6 answers
864 views

Race of the wealthy gamblers: How do I get this closed form?

15 votes
5 answers
473 views

Can an arbitrary 3-d shape be fitted inside a cube so it touches all the sides?

14 votes
3 answers
3k views

Are there any irrational/transcendental numbers for which the distribution of decimal digits is not uniform?

11 votes
2 answers
584 views

What does a flattened Teserract look like?

9 votes
4 answers
614 views

One of two independent flip sequences reaches two heads simultaneously. What is the distribution of others tosses.

7 votes
2 answers
5k views

Prove function is not differentiable even though all directional derivatives exist and it is continuous.

7 votes
3 answers
11k views

Variance of a sum of IID random variables.

7 votes
2 answers
750 views

Generalizing Catalan numbers: number of ways where we cross the diagonal $k$ times.

7 votes
4 answers
562 views

Binomial identity arising from Catalan recurrence.

7 votes
4 answers
845 views

If $X$ is Gaussian, prove that $X-\lfloor X \rfloor \sim U(0,1)$ as its variance becomes large

7 votes
4 answers
621 views

Repeated applications of a (rotation) matrix keep you in the same subspace?

6 votes
0 answers
242 views

Generate a random permutation of the first $n$ numbers on the fly

6 votes
0 answers
86 views

Why is the number of ways to open up a cube $4! \times 2^4$?

6 votes
1 answer
373 views

Catalan numbers using the recurrence.

6 votes
1 answer
303 views

Using a gamblers race to approximate $\pi$

5 votes
4 answers
5k views

Probability that random walk will reach state $k$ for the first time on step $n$

5 votes
3 answers
1k views

Do non-convex platonic solids exist?

5 votes
1 answer
478 views

Coupon collectors problem: variance calculation missing a term.

5 votes
0 answers
66 views

Why should the sum of squares of two Independent normals be memory-less

5 votes
2 answers
239 views

Geometric intuition behind Cauchy not having a mean

5 votes
1 answer
271 views

Coupon collectors problem, but kicking a ball around

5 votes
4 answers
1k views

Why should I care that a matrix is diagonalizable? [duplicate]

5 votes
3 answers
234 views

The sum $\sum \frac{1}{(i!)^2}$

4 votes
1 answer
95 views

Why do we require positive recurrence for a Markov chain to have steady states?

4 votes
2 answers
717 views

How to define length geometrically

4 votes
1 answer
55 views

How to draw six lines in 3-d space such that angle between any pair of them is the same.

4 votes
1 answer
433 views

Connection between the Gamma function and gamma distribution

4 votes
1 answer
1k views

How many distinct ways to flatten a cube?

4 votes
1 answer
122 views

Spider and fly problem on a Teserract.

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