Question

Find the rearrangements of 1234 in which at least one of the digits is in its original position

score 1k · Answer 1 · 2017-02-13 02:21:24

1k

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Find the rearrangements of 1234 in which at least one of the digits is in its original position

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score 258 · Answer 2 · 2026-03-21 21:52:27

258

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inclusion-exclusion principle

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score 979 · Answer 3 · 2017-02-14 16:31:54

979

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score 549 · Answer 4 · 2017-02-17 07:18:59

549

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Number of ways to distribute five red balls and five blues balls into 3 distinct boxes with no empty boxes allowed

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score 612 · Answer 5 · 2017-02-17 08:10:00

612

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find the number of rearrangements of 11223344 that contain no two consecutive equal digits

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score 1k · Answer 6 · 2017-02-17 16:00:52

1k

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Find the number of rearrangements of the string 12345 in which none of the sequences 12, 23, 34, 45 occur

Published on 17 Feb 2017 - 16:00

score 990 · Answer 7 · 2017-02-17 16:57:02

990

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find the number of five digit combinations from the set ${1,2,3,4,5}$ where some digits occur at least three times

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score 137 · Answer 8 · 2017-02-18 17:29:18

137

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score 46 · Answer 9 · 2017-02-19 10:39:43

46

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score 129 · Answer 10 · 2017-02-20 21:49:45

129

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Published on 20 Feb 2017 - 21:49

score 3.4k · Answer 11 · 2017-02-21 17:09:27

3.4k

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Cardinality of union of 3 sets

Published on 21 Feb 2017 - 17:09

score 124 · Answer 12 · 2017-02-22 04:44:06

124

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score 985 · Answer 13 · 2017-02-23 16:34:02

985

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score 99 · Answer 14 · 2017-02-26 02:07:11

99

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score 213 · Answer 15 · 2017-02-27 00:17:07

213

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List Question

Find the rearrangements of 1234 in which at least one of the digits is in its original position

inclusion-exclusion principle

Set theory: Calculating intersection of 3 sets without underlying data

Number of ways to distribute five red balls and five blues balls into 3 distinct boxes with no empty boxes allowed

find the number of rearrangements of 11223344 that contain no two consecutive equal digits

Find the number of rearrangements of the string 12345 in which none of the sequences 12, 23, 34, 45 occur

find the number of five digit combinations from the set ${1,2,3,4,5}$ where some digits occur at least three times

Combinatorics in lift.

Sandwiches on Monday, Tuesday and Wednesday

Understanding the physical sense of Inclusion–exclusion principle

Cardinality of union of 3 sets

Combinatorics on numbers.

Point out my Fallacy, in combinatorics problem, please.

Divorced Couples Problems Combinatorics

Probability that numbers 1…6 show up at least once when rolling 10 dice

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