Question

Find all values of a,b,c such that a-b = c, a,b,c are three digit numbers and the digits are distinct.

score 164 · Answer 1 · 2026-04-16 14:02:43

164

Views

Find all values of a,b,c such that a-b = c, a,b,c are three digit numbers and the digits are distinct.

Published on 16 Apr 2026 - 14:02

score 347 · Answer 2 · 2026-04-15 17:56:32

347

Views

A pin can be composed of 4 or 5 characters short and each character can be a capital letter, lower case letter or a number

Published on 15 Apr 2026 - 17:56

score 507 · Answer 3 · 2026-03-25 17:44:39

507

Views

How do I find the minimum percentage of students liking at least $3$ of the sports?

Published on 25 Mar 2026 - 17:44

score 1.1k · Answer 4 · 2026-04-13 22:53:04

1.1k

Views

$n^2-n+2$ plane divisions by $n$ circles

Published on 13 Apr 2026 - 22:53

score 4.8k · Answer 5 · 2026-04-15 21:42:17

4.8k

Views

eight people around square table

Published on 15 Apr 2026 - 21:42

score 2.2k · Answer 6 · 2026-04-16 11:31:56

2.2k

Views

Minimum number of edges that need to be added to G to obtain a connected Eulerian graph

Published on 16 Apr 2026 - 11:31

score 1k · Answer 7 · 2026-04-13 18:05:23

1k

Views

Probability that sheepdog performs at least one task successfuly - Am I doing this problem right?

Published on 13 Apr 2026 - 18:05

score 885 · Answer 8 · 2026-04-15 10:32:13

885

Views

Different Solutions to British Maths Olympiad (BMO) 1995 Round 1 Question 5, another dwarf combinatorics question

Published on 15 Apr 2026 - 10:32

score 981 · Answer 9 · 2026-04-16 13:57:03

981

Views

People's preferences assigning them to a group using Excel

Published on 16 Apr 2026 - 13:57

score 666 · Answer 10 · 2026-04-15 03:17:21

666

Views

Compute the number of 7-digit sequences that contain a 5-digit consecutive substring

Published on 15 Apr 2026 - 3:17

score 411 · Answer 11 · 2026-04-12 12:09:38

411

Views

How many different ways can the letters in REVENUE be arranged to form different words?

Published on 12 Apr 2026 - 12:09

score 279 · Answer 12 · 2026-04-09 10:04:35

279

Views

Boxed lottery tickets, rencontres numbers and number of degree-$n$ permutations of order exactly $d$

Published on 09 Apr 2026 - 10:04

score 1.2k · Answer 13 · 2026-04-14 23:50:59

1.2k

Views

Recurrence relation for Pell's equation $x^2-2y^2=1$

Published on 14 Apr 2026 - 23:50

score 582 · Answer 14 · 2026-05-11 05:33:16

582

Views

Proving formula sum of product of binomial coefficients

Published on 11 May 2026 - 5:33

score 88 · Answer 15 · 2026-05-11 07:24:29

88

Views

How much time elapses by which time a thief has a $50\%$ chance of success in opening a combination lock?

Published on 11 May 2026 - 7:24

List Question

Find all values of a,b,c such that a-b = c, a,b,c are three digit numbers and the digits are distinct.

A pin can be composed of 4 or 5 characters short and each character can be a capital letter, lower case letter or a number

How do I find the minimum percentage of students liking at least $3$ of the sports?

$n^2-n+2$ plane divisions by $n$ circles

eight people around square table

Minimum number of edges that need to be added to G to obtain a connected Eulerian graph

Probability that sheepdog performs at least one task successfuly - Am I doing this problem right?

Different Solutions to British Maths Olympiad (BMO) 1995 Round 1 Question 5, another dwarf combinatorics question

People's preferences assigning them to a group using Excel

Compute the number of 7-digit sequences that contain a 5-digit consecutive substring

How many different ways can the letters in REVENUE be arranged to form different words?

Boxed lottery tickets, rencontres numbers and number of degree-$n$ permutations of order exactly $d$

Recurrence relation for Pell's equation $x^2-2y^2=1$

Proving formula sum of product of binomial coefficients

How much time elapses by which time a thief has a $50\%$ chance of success in opening a combination lock?

Trending Questions

Popular # Hahtags

Popular Questions