Recent questions tagged combinatory

7 votes

5 answers

1

GATE CSE 2021 Set 2 | Question: 50
Let $S$ be a set of consisting of $10$ elements. The number of tuples of the form $(A,B)$ such that $A$ and $B$ are subsets of $S$, and $A \subseteq B$ is ___________

Arjun asked in Combinatory Feb 18

by Arjun

2.3k views

6 votes

2 answers

2

GATE CSE 2021 Set 1 | Question: 19
There are $6$ jobs with distinct difficulty levels, and $3$ computers with distinct processing speeds. Each job is assigned to a computer such that: The fastest computer gets the toughest job and the slowest computer gets the easiest job. Every computer gets at least one job. The number of ways in which this can be done is ___________.

Arjun asked in Combinatory Feb 18

by Arjun

2.1k views

0 votes

1 answer

3

CMI-2020-DataScience-B: 5
A permutation $\sigma$ is a bijection from the set $[n]=\{1,2,\dots ,n\}$ to itself. We denote it using the notation $\begin{pmatrix}1 & 2 & & n \\ {\sigma(1)} & {\sigma(2)} &\dots & {\sigma(n)} \end{pmatrix},$ ...

soujanyareddy13 asked in Others Jan 29

by soujanyareddy13

60 views

0 votes

1 answer

4

CMI-2020-DataScience-B: 6
A permutation $\sigma$ is a bijection from the set $[n]=\{1,2, ,n\}$ to itself. We denote it using the notation $\begin{pmatrix}1 & 2 & & n \\ {\sigma(1)} & {\sigma(2)} & & {\sigma(n)} \end{pmatrix},$ e.g. ... $|A_{\sigma} |$ and $|A_\tau|?$ Can you relate these with the signs of permutations $\sigma$ and $\tau ?$

soujanyareddy13 asked in Others Jan 29

by soujanyareddy13

44 views

1 vote

2 answers

5

NIELIT Scientific Assistant A 2020 November: 19
What is the total number of ways to reach from $A$ to $B$ in the network given? $12$ $16$ $20$ $22$

gatecse asked in Quantitative Aptitude Dec 8, 2020

387 views

2 votes

2 answers

6

UGCNET-Oct2020-II: 2
How many ways are there to pack six copies of the same book into four identical boxes, where a box can contain as many as six books? $4$ $6$ $7$ $9$

jothee asked in Combinatory Nov 20, 2020

by jothee

1.2k views

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