List questions from discrete-mathematics

Published on 27 Mar 2026 - 1:13

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Number of $5$-card hands containing exactly two aces

Published on 14 May 2018 - 1:42

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How to obtain $\quad P \Rightarrow Q \;\equiv\; (P \wedge Q \;\equiv\; P)$

Published on 30 Mar 2026 - 5:02

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How do I show that $n$ is prime if and only if $\phi(n) = n − 1$?

Published on 25 Mar 2026 - 13:55

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Calculate max Data

Published on 25 Mar 2026 - 19:00

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Concrete Mathematics(3.2) - Doubt in a Summation involving Floor Function

Published on 25 Mar 2026 - 9:36

162

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Rolling $k$ identical dice, how many possibilities are there?

Published on 14 May 2018 - 11:29

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probability distribution for the discrete random variable- 2 unknowns

Published on 02 Apr 2026 - 1:04

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The probability distribution of a discrete random variable-Finding Fx

Published on 02 Apr 2026 - 1:04

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If "P implies (Q or R)" and "Q holds true", what can be said about R?

Published on 31 Mar 2026 - 14:15

713

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Minimum number of questions for finding the right number in a guessing game

Published on 25 Mar 2026 - 14:26

4.6k

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Expected value and Standard deviation- Cards

Published on 02 Apr 2026 - 0:56

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how many 6-digit numbers we can get from the digits of 14145566?

Published on 14 May 2018 - 16:53

37

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Construct a modular expression (mod q) such that smallest root same as root of given expression (mod p)

Published on 27 Mar 2026 - 2:50

239

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Maximal number of subsets of $\{1,\cdots,n\}$ with odd cardinals and even intersections

Published on 14 May 2018 - 18:19

List Question

Solve $11^a \equiv 1 \mod 19$

Number of $5$-card hands containing exactly two aces

How to obtain $\quad P \Rightarrow Q \;\equiv\; (P \wedge Q \;\equiv\; P)$

How do I show that $n$ is prime if and only if $\phi(n) = n − 1$?

Calculate max Data

Concrete Mathematics(3.2) - Doubt in a Summation involving Floor Function

Rolling $k$ identical dice, how many possibilities are there?

probability distribution for the discrete random variable- 2 unknowns

The probability distribution of a discrete random variable-Finding Fx

If "P implies (Q or R)" and "Q holds true", what can be said about R?

Minimum number of questions for finding the right number in a guessing game

Expected value and Standard deviation- Cards

how many 6-digit numbers we can get from the digits of 14145566?

Construct a modular expression (mod q) such that smallest root same as root of given expression (mod p)

Maximal number of subsets of $\{1,\cdots,n\}$ with odd cardinals and even intersections

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