Recent questions tagged inclusion-exclusion

+1 vote

2 answers

1

UGCNET-June-2019-II-3
How many bit strings of length ten either start with a $1$ bit or end with two bits $00$ ? $320$ $480$ $640$ $768$

asked Jul 2, 2019 in Combinatory by Arjun Veteran (431k points) | 333 views

0 votes

2 answers

2

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?

asked May 24, 2019 in Combinatory by aditi19 Active (5.2k points) | 109 views

0 votes

0 answers

3

Combinatorics
I think the correct answer must be (C). Please let me know what's correct. Inclusion-exclusion principle is used.

asked Oct 29, 2018 in Combinatory by Ayush Upadhyaya Boss (29.1k points) | 55 views

0 votes

0 answers

4

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?

asked Oct 4, 2018 in Probability by srestha Veteran (119k points) | 93 views

0 votes

0 answers

5

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.

asked Sep 22, 2018 in Combinatory by sushmita Boss (17.7k points) | 236 views

0 votes

0 answers

6

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 .

asked Sep 22, 2018 in Combinatory by sushmita Boss (17.7k points) | 150 views

0 votes

4 answers

7

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?

asked Jun 28, 2018 in Combinatory by Ayush Upadhyaya Boss (29.1k points) | 243 views

0 votes

2 answers

8

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?

asked Jun 26, 2018 in Combinatory by Ayush Upadhyaya Boss (29.1k points) | 135 views

0 votes

0 answers

9

Discrete Mathematics and its applications - Kenneth Rosen, Counting - Basics of Counting - Exercise 51

asked May 26, 2017 in Combinatory by Ishan (37 points) | 124 views

+2 votes

2 answers

10

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?

asked May 7, 2017 in Combinatory by Lakshman Patel RJIT Veteran (59k points) | 311 views

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author	user:martin
title	title:apple
content	content:apple
exclude	-tag:apple
force match	+apple
views	views:100
score	score:10
answers	answers:2
is accepted	isaccepted:true
is closed	isclosed:true

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