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Recent questions tagged inclusionexclusion
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1
UGCNETJune2019II3
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
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Combinatory
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Arjun
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ugcnetjune2019ii
permutationandcombination
inclusionexclusion
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2
Rosen 7e Exercise8.5 Question15 page no558 InclusionExclusion
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
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Combinatory
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aditi19
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73
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discretemathematics
kennethrosen
inclusionexclusion
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3
Combinatorics
I think the correct answer must be (C). Please let me know what's correct. Inclusionexclusion principle is used.
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Oct 29, 2018
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Combinatory
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Ayush Upadhyaya
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inclusionexclusion
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4
InclusionExclusion
$N$ 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?
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Oct 4, 2018
in
Probability
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srestha
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83
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discretemathematics
probability
inclusionexclusion
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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
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16.5k
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203
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kennethrosen
discretemathematics
permutationandcombination
inclusionexclusion
0
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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
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132
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discretemathematics
permutationandcombination
probability
inclusionexclusion
0
votes
4
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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?
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Jun 28, 2018
in
Combinatory
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Ayush Upadhyaya
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222
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discretemathematics
inclusionexclusion
kennethrosen
permutationandcombination
0
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2
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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
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Ayush Upadhyaya
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25.4k
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124
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discretemathematics
kennethrosen
inclusionexclusion
permutationandcombination
0
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9
Discrete Mathematics and its applications  Kenneth Rosen, Counting  Basics of Counting  Exercise 51
asked
May 26, 2017
in
Combinatory
by
Ishan
(
37
points)

121
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permutationandcombination
inclusionexclusion
+2
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1
answer
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
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44.5k
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296
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inclusionexclusion
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