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Recent questions tagged inclusion-exclusion
0
votes
1
answer
1
How many n-digit sequences formed from the symbols 0, 1, 2, 3 and 4 contain at least one 0, at least one 1 and at least one 2? Solve by using the Inclusion/Exclusion Principle.
hopekumela
asked
in
Mathematical Logic
Jul 13, 2023
by
hopekumela
444
views
mathematical-logic
inclusion-exclusion
0
votes
1
answer
2
Discrete Math and its applications by Kenneth Rosen 7th edition Section 6:Counting
Can this question be explained in detail as i have trouble understanding it? "How many 4-permutations of the positive integers not exceeding 100 contain three consecutive integers k, k + 1, k + 2, in the ... the solution manual says we have to account for double counting but I don't understand how? Why 97?
discretemather1
asked
in
Compiler Design
Apr 2, 2023
by
discretemather1
474
views
discrete-mathematics
combinatory
inclusion-exclusion
mathematical-logic
first-order-logic
3
votes
3
answers
3
UGC NET CSE | October 2020 | Part 2 | Question: 1
The number of positive integers not exceeding $100$ that are either odd or the square of an integer is _______ $63$ $59$ $55$ $50$
go_editor
asked
in
Set Theory & Algebra
Nov 20, 2020
by
go_editor
3.4k
views
ugcnetcse-oct2020-paper2
discrete-mathematics
inclusion-exclusion
1
vote
4
answers
4
NIELIT 2017 DEC Scientist B - Section B: 46
The number of integers between $1$ and $500$(both inclusive) that are divisible by $3$ or $5$ or $7$ is _________. $269$ $270$ $271$ $272$
admin
asked
in
Set Theory & Algebra
Mar 30, 2020
by
admin
958
views
nielit2017dec-scientistb
discrete-mathematics
set-theory&algebra
inclusion-exclusion
3
votes
2
answers
5
UGC NET CSE | June 2019 | Part 2 | Question: 3
How many bit strings of length ten either start with a $1$ bit or end with two bits $00$ ? $320$ $480$ $640$ $768$
Arjun
asked
in
Combinatory
Jul 2, 2019
by
Arjun
5.8k
views
ugcnetcse-june2019-paper2
combinatory
inclusion-exclusion
1
vote
2
answers
6
Rosen 7e Exercise-8.5 Question-15 page no-558 Inclusion-Exclusion
How many permutations of the 10 digits either begin with the 3 digits 987, contain the digits 45 in the fifth and sixth positions, or end with the 3 digits 123?
aditi19
asked
in
Combinatory
May 24, 2019
by
aditi19
1.3k
views
discrete-mathematics
kenneth-rosen
inclusion-exclusion
0
votes
0
answers
7
Combinatorics
I think the correct answer must be (C). Please let me know what's correct. Inclusion-exclusion principle is used.
Ayush Upadhyaya
asked
in
Combinatory
Oct 29, 2018
by
Ayush Upadhyaya
348
views
inclusion-exclusion
0
votes
0
answers
8
Inclusion-Exclusion
$N$ people toss their hat into a bin, randomly shuffled, returned one hat to each person. What is the probability that $5$th person got his own hat?
srestha
asked
in
Probability
Oct 4, 2018
by
srestha
662
views
discrete-mathematics
probability
inclusion-exclusion
0
votes
0
answers
9
Kenneth Rosen Edition 6th Exercise 6.6 Question 5 (Page No. 457)
Find the number of primes less than 200 using the principle of inclusion–exclusion.
sushmita
asked
in
Combinatory
Sep 22, 2018
by
sushmita
1.4k
views
kenneth-rosen
discrete-mathematics
combinatory
inclusion-exclusion
0
votes
0
answers
10
inclusion exclusion principle
In how many ways can we arrange the letters in the word '' ARRANGEMENT" such that 1.) there are exactly 2 consecutive same letters . 2.) atleast 3 consecutive same letters .
sushmita
asked
in
Combinatory
Sep 22, 2018
by
sushmita
889
views
discrete-mathematics
combinatory
probability
inclusion-exclusion
0
votes
4
answers
11
Kenneth Rosen Edition 6th Exercise 6.6 Question 11 (Page No. 457)
In how many different ways can seven different jobs be assigned to four different employees so that each employee is assigned at least one job and the most difficult job is assigned to the best employee? I got the first ... 4 elements. But how to deal with the second part that most difficult job is assigned to the best employee?
Ayush Upadhyaya
asked
in
Combinatory
Jun 28, 2018
by
Ayush Upadhyaya
2.7k
views
discrete-mathematics
inclusion-exclusion
kenneth-rosen
combinatory
1
vote
2
answers
12
Kenneth Rosen Edition 6th Exercise 6.6 Question 13 (Page No. 449)
How many bit strings of length eight do not contain six consecutive 0's?
Ayush Upadhyaya
asked
in
Combinatory
Jun 26, 2018
by
Ayush Upadhyaya
1.6k
views
discrete-mathematics
kenneth-rosen
inclusion-exclusion
combinatory
0
votes
0
answers
13
Discrete Mathematics and its applications - Kenneth Rosen, Counting - Basics of Counting - Exercise 51
Ishan
asked
in
Combinatory
May 26, 2017
by
Ishan
429
views
combinatory
inclusion-exclusion
2
votes
2
answers
14
Discrete Mathematics Thegatebook
how many positive integers between 50 and 100, (a) divisible by 7 (b) divisible by 11 (c) divisible by 7 and 11?
Lakshman Bhaiya
asked
in
Combinatory
May 7, 2017
by
Lakshman Bhaiya
684
views
inclusion-exclusion
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