Question

Number of 8-digit Passwords with at least 1 digit and/or 1 symbol

score 4.2k · Answer 1 · 2017-11-22 15:40:07

4.2k

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Number of 8-digit Passwords with at least 1 digit and/or 1 symbol

Published on 22 Nov 2017 - 15:40

score 278 · Answer 2 · 2017-11-24 01:39:14

278

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A problem about combination with inclusion exclusion principle

Published on 24 Nov 2017 - 1:39

score 123 · Answer 3 · 2017-11-24 06:40:14

123

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Number of handshakes - exclusion apporach

Published on 24 Nov 2017 - 6:40

score 1.3k · Answer 4 · 2017-11-28 21:08:04

1.3k

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Arranging distinct books of three different subjects so that no two books of the same subject are adjacent

Published on 28 Nov 2017 - 21:08

score 184 · Answer 5 · 2026-03-25 13:57:58

184

Views

An application of the Inclusion Principle to Chemistry? (Proof Verification)

Published on 25 Mar 2026 - 13:57

score 96 · Answer 6 · 2017-12-01 10:32:51

96

Views

Using IE-principle to obtain this outcome

Published on 01 Dec 2017 - 10:32

score 86 · Answer 7 · 2017-12-03 19:25:49

86

Views

What is the value of $|A \cap B|$?

Published on 03 Dec 2017 - 19:25

score 203 · Answer 8 · 2017-12-06 23:44:48

203

Views

One hundred identical tennis balls are to be distributed among 10 children. In how many ways can this be done so that no child gets more than 20 balls

Published on 06 Dec 2017 - 23:44

score 1.9k · Answer 9 · 2017-12-07 11:29:14

1.9k

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What is the possibility that at least one digit will not show up in a 20-digit "code"?

Published on 07 Dec 2017 - 11:29

score 106 · Answer 10 · 2017-12-11 14:18:04

106

Views

How many households have both treadmill and exercise bike? (Venn Diagram problem)

Published on 11 Dec 2017 - 14:18

score 1.5k · Answer 11 · 2017-12-12 13:58:03

1.5k

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How to calculate the number of graphs without vertices of degree 0 using inclusion-exclusion principle?

Published on 12 Dec 2017 - 13:58

score 221 · Answer 12 · 2017-12-13 19:54:31

221

Views

Calculating the number of ways a surjective function can be defined.

Published on 13 Dec 2017 - 19:54

score 170 · Answer 13 · 2017-12-14 01:59:58

170

Views

In how many ways can $4$ of $100$ people sitting at a circular table be selected so that no two of them are adjacent?

Published on 14 Dec 2017 - 1:59

score 151 · Answer 14 · 2017-12-17 13:19:12

151

Views

Inclusion-exclusion related identities

Published on 17 Dec 2017 - 13:19

score 262 · Answer 15 · 2026-03-27 23:23:34

262

Views

How many words with $N$-characters can be formed from the numbers $\{0, 1, 2\}$, such that adjacent numbers have maximum difference 1?

Published on 27 Mar 2026 - 23:23

List Question

Number of 8-digit Passwords with at least 1 digit and/or 1 symbol

A problem about combination with inclusion exclusion principle

Number of handshakes - exclusion apporach

Arranging distinct books of three different subjects so that no two books of the same subject are adjacent

An application of the Inclusion Principle to Chemistry? (Proof Verification)

Using IE-principle to obtain this outcome

What is the value of $|A \cap B|$?

One hundred identical tennis balls are to be distributed among 10 children. In how many ways can this be done so that no child gets more than 20 balls

What is the possibility that at least one digit will not show up in a 20-digit "code"?

How many households have both treadmill and exercise bike? (Venn Diagram problem)

How to calculate the number of graphs without vertices of degree 0 using inclusion-exclusion principle?

Calculating the number of ways a surjective function can be defined.

In how many ways can $4$ of $100$ people sitting at a circular table be selected so that no two of them are adjacent?

Inclusion-exclusion related identities

How many words with $N$-characters can be formed from the numbers $\{0, 1, 2\}$, such that adjacent numbers have maximum difference 1?

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