Question

If 5 people have different birthdays, what is the probability that none of them are born on adjacent months?

score 357 · Answer 1 · 2018-09-09 02:34:46

357

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If 5 people have different birthdays, what is the probability that none of them are born on adjacent months?

Published on 09 Sep 2018 - 2:34

score 38 · Answer 2 · 2018-09-09 03:54:48

38

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number of permutation where the numbers are totally seperated

Published on 09 Sep 2018 - 3:54

score 262 · Answer 3 · 2026-03-25 02:58:57

262

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Key-space for a restricted substitution cipher

Published on 25 Mar 2026 - 2:58

score 86 · Answer 4 · 2018-09-09 09:13:08

86

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How to identify whether permutation question involves repetition or not

Published on 09 Sep 2018 - 9:13

score 162 · Answer 5 · 2018-09-09 14:20:57

162

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Sign of a permutation by homomorphism

Published on 09 Sep 2018 - 14:20

score 338 · Answer 6 · 2018-09-09 16:56:21

338

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In how many ways can $5$ rings of different types be worn on $4$ fingers?

Published on 09 Sep 2018 - 16:56

score 2.1k · Answer 7 · 2018-09-09 23:03:02

Discrete math: How many arrangements are there of the 26 letters of the alphabet in which the five vowels are in consecutive places?

score 328 · Answer 8 · 2026-03-27 08:09:17

328

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Question about Lemma on Primitive Groups

Published on 27 Mar 2026 - 8:09

score 306 · Answer 9 · 2026-03-27 23:14:09

306

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Permutations O level Photograph Seating Arrangement Problem

Published on 27 Mar 2026 - 23:14

score 356 · Answer 10 · 2026-03-25 03:07:31

356

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If $\mathrm{Stab}(x)_{S_5} \nsubseteq A_5$ then how to prove $[\mathrm{Stab}(x)_{S_5} : \mathrm{Stab}(x)_{A_5}]=2$? Please help

Published on 25 Mar 2026 - 3:07

score 1.8k · Answer 11 · 2018-09-10 23:24:06

1.8k

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How many different ways can a group of students be hired to work a survey?

Published on 10 Sep 2018 - 23:24

score 2.6k · Answer 12 · 2026-03-28 00:50:55

2.6k

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What is the Probability of Choosing 3 Specific Balls from a 15-Ball Set?

Published on 28 Mar 2026 - 0:50

score 1.4k · Answer 13 · 2018-09-11 07:33:42

1.4k

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An ant is to walk from $A$ to $B$. Calculate the number of paths.

Published on 11 Sep 2018 - 7:33

score 63 · Answer 14 · 2026-03-25 19:11:43

63

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The number of ways in which $n$ distinct items can be divided among $r$ groups

Published on 25 Mar 2026 - 19:11

score 78 · Answer 15 · 2018-09-12 14:43:59

78

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Doubt in high school permutation question(seating arrangement)

Published on 12 Sep 2018 - 14:43

List Question

If 5 people have different birthdays, what is the probability that none of them are born on adjacent months?

number of permutation where the numbers are totally seperated

Key-space for a restricted substitution cipher

How to identify whether permutation question involves repetition or not

Sign of a permutation by homomorphism

In how many ways can $5$ rings of different types be worn on $4$ fingers?

Discrete math: How many arrangements are there of the 26 letters of the alphabet in which the five vowels are in consecutive places?

Question about Lemma on Primitive Groups

Permutations O level Photograph Seating Arrangement Problem

If $\mathrm{Stab}(x)_{S_5} \nsubseteq A_5$ then how to prove $[\mathrm{Stab}(x)_{S_5} : \mathrm{Stab}(x)_{A_5}]=2$? Please help

How many different ways can a group of students be hired to work a survey?

What is the Probability of Choosing 3 Specific Balls from a 15-Ball Set?

An ant is to walk from $A$ to $B$. Calculate the number of paths.

The number of ways in which $n$ distinct items can be divided among $r$ groups

Doubt in high school permutation question(seating arrangement)

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