Question

X numbers that when subtracted will produce the same absolute value

score 40 · Answer 1 · 2026-03-29 06:55:44

40

Views

X numbers that when subtracted will produce the same absolute value

Published on 29 Mar 2026 - 6:55

score 63 · Answer 2 · 2026-04-01 09:51:17

63

Views

Compute the product of digits of P

Published on 01 Apr 2026 - 9:51

score 318 · Answer 3 · 2014-12-06 06:24:06

318

Views

If 8 divides $a^2$ + $3b^2$, prove that both a and b are even.

Published on 06 Dec 2014 - 6:24

score 306 · Answer 4 · 2014-12-06 20:23:15

306

Views

$4^{101} \mod 101$ without Fermat's little theorem

Published on 06 Dec 2014 - 20:23

score 63 · Answer 5 · 2014-12-06 20:46:58

63

Views

Find closed form for $2 \times (n + (n + 1) + \cdots + (2n - 1))$

Published on 06 Dec 2014 - 20:46

score 174 · Answer 6 · 2014-12-07 14:52:38

174

Views

What is the answer for this aptitude question?

Published on 07 Dec 2014 - 14:52

score 76 · Answer 7 · 2014-12-07 19:55:56

76

Views

Let $a = −215$ and $b = 17$. Find the integers $q$ and $r$ with $0 \leq r < b$ such that $a = qb+r$.

Published on 07 Dec 2014 - 19:55

score 116 · Answer 8 · 2014-12-08 17:25:40

116

Views

Matrix addition

Published on 08 Dec 2014 - 17:25

score 4.9k · Answer 9 · 2026-03-28 22:27:03

4.9k

Views

Ratio between two numbers is 6:7 and the difference between them is 10. What are the two numbers?

Published on 28 Mar 2026 - 22:27

score 218 · Answer 10 · 2014-12-10 02:33:14

218

Views

Integer inequality: $x + y +z> a + b + c$ does not imply $xyz > abc$

Published on 10 Dec 2014 - 2:33

score 58 · Answer 11 · 2026-04-02 00:24:20

58

Views

Can this simple divisibility property on binomial coefficient be proved without Gauss' lemma?

Published on 02 Apr 2026 - 0:24

score 814 · Answer 12 · 2014-12-11 19:20:52

814

Views

Understanding the concept of multiplication

Published on 11 Dec 2014 - 19:20

score 276 · Answer 13 · 2026-03-26 18:57:44

276

Views

Dropping the "Lowest Grade" Problem

Published on 26 Mar 2026 - 18:57

score 133 · Answer 14 · 2014-12-12 04:58:35

133

Views

$2013!$ ends in a string of zeros. How many of them are there?

Published on 12 Dec 2014 - 4:58

score 212 · Answer 15 · 2014-12-13 15:08:57

212

Views

What happens when we divide zero by zero?

Published on 13 Dec 2014 - 15:08

List Question

X numbers that when subtracted will produce the same absolute value

Compute the product of digits of P

If 8 divides $a^2$ + $3b^2$, prove that both a and b are even.

$4^{101} \mod 101$ without Fermat's little theorem

Find closed form for $2 \times (n + (n + 1) + \cdots + (2n - 1))$

What is the answer for this aptitude question?

Let $a = −215$ and $b = 17$. Find the integers $q$ and $r$ with $0 \leq r < b$ such that $a = qb+r$.

Matrix addition

Ratio between two numbers is 6:7 and the difference between them is 10. What are the two numbers?

Integer inequality: $x + y +z> a + b + c$ does not imply $xyz > abc$

Can this simple divisibility property on binomial coefficient be proved without Gauss' lemma?

Understanding the concept of multiplication

Dropping the "Lowest Grade" Problem

$2013!$ ends in a string of zeros. How many of them are there?

What happens when we divide zero by zero?

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