Stack Exchange

Rezwan Arefin

Khulna, Bangladesh

top accounts reputation activity subscriptions
Top Questions
17 votes

What is the area of the circle?

geometry circle area asked Jan 24, 2016 at 15:28
math.stackexchange.com

13 votes

BdMO 2016 National Secondary Problem 3.

geometry contest-math triangle angle asked Dec 29, 2016 at 16:40
math.stackexchange.com

11 votes

How many non-negative integer solutions does the equation $3x + y + z = 24$ have?

combinatorics number-theory asked Jan 21, 2016 at 13:16
math.stackexchange.com

10 votes

Solve: $x = (x-\frac{1}{x}) ^ {1/9} + (1-\frac{1}{x})^{1/9}$

systems-of-equations binomial-theorem asked Feb 2, 2016 at 14:37
math.stackexchange.com

10 votes

BdMO 2016 National Junior Question 8.

geometry contest-math asked Dec 30, 2016 at 17:48
math.stackexchange.com

9 votes

$p = \sqrt{1+\sqrt{1+\sqrt{1 + \cdots}}}$; $\sum_{k=2}^{\infty}{\frac{\lfloor p^k \rceil}{2^k}} = ? $

sequences-and-series quadratics asked Feb 7, 2016 at 14:21
math.stackexchange.com

9 votes

A Problem from BdMO 2016 Regionals

algebra-precalculus contest-math asked Dec 26, 2016 at 16:28
math.stackexchange.com

7 votes

A number $n$ has $12$ divisors and $d_{d_4-1} = (d_1+d_2+d_4)d_8$.

number-theory contest-math divisor-sum asked Jan 25, 2016 at 12:29
math.stackexchange.com

7 votes

Can both $n+3\; \text{and}\; n^2+3$ both be cubic numbers at same time?

elementary-number-theory diophantine-equations asked Jan 31, 2017 at 6:29
math.stackexchange.com

7 votes

Prove that for any even positive integer $n$, $n^2-1 \mid 2^{n!}-1$

algebra-precalculus elementary-number-theory divisibility factorial asked Feb 2, 2017 at 22:52
math.stackexchange.com

1 2

Top Answers