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Recent questions tagged combinatory
0
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1
Permutation and combination
Çșȇ ʛấẗẻ
asked
in
Mathematical Logic
Feb 15
by
Çșȇ ʛấẗẻ
124
views
combinatory
engineering-mathematics
discrete-mathematics
0
votes
0
answers
2
Combinatorics & Probability
A rumor is spread randomly among a group of 10 people by successively having one person call someone, who calls someone, and so on. A person can pass the rumor on to anyone except the individual who just called. (a) By how many different paths can a rumor ... in $N$ calls? (c) What is the probability that if $A$ starts the rumor, then $A$ receives the third calls?
Debargha Mitra Roy
asked
in
Combinatory
Feb 8
by
Debargha Mitra Roy
138
views
combinatory
counting
6
votes
2
answers
3
GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 56
The coefficient of $x^6$ in the expansion of $A(x)$ is, where $ A(x)=\frac{x(1+x)}{(1-x)^3} $
GO Classes
asked
in
Combinatory
Feb 5
by
GO Classes
501
views
goclasses2024-mockgate-14
numerical-answers
combinatory
recurrence-relation
2-marks
4
votes
1
answer
4
GO Classes Test Series 2024 | Mock GATE | Test 13 | Question: 30
A university's mathematics department has $10$ professors and will offer $20$ different courses next semester. Each professor will be assigned to teach exactly $2$ of the courses, and each course will have exactly one professor assigned to teach it. If any ... $10^{20}-2^{10}$ $\dfrac{20 ! 10 !}{2^{10}}$
GO Classes
asked
in
Combinatory
Jan 28
by
GO Classes
513
views
goclasses2024-mockgate-13
goclasses
combinatory
counting
1-mark
6
votes
2
answers
5
GO Classes Test Series 2024 | Mock GATE | Test 12 | Question: 17
The number of ways that one can divide $10$ distinguishable objects into $3$ indistinguishable non-empty piles, is: $ \left\{\begin{array}{c} 10 \\ 3 \end{array}\right\}=9330 $ In how many different ways can one do this if the piles are also distinguishable?
GO Classes
asked
in
Combinatory
Jan 21
by
GO Classes
864
views
goclasses2024-mockgate-12
goclasses
numerical-answers
combinatory
counting
1-mark
5
votes
2
answers
6
GO Classes Test Series 2024 | Mock GATE | Test 12 | Question: 18
The number of ways that one can divide $10$ distinguishable objects in $3$ indistinguishable non-empty piles, is: $ \left\{\begin{array}{c} 10 \\ 3 \end{array}\right\}=9330 $ In how many different ways can one do this if the objects are also indistinguishable?
GO Classes
asked
in
Combinatory
Jan 21
by
GO Classes
871
views
goclasses2024-mockgate-12
goclasses
numerical-answers
combinatory
counting
1-mark
7
votes
2
answers
7
GO Classes Test Series 2024 | Mock GATE | Test 11 | Question: 44
Acceptable input for a certain pocket calculator is a finite sequence of characters each of which is either a digit or a sign. The first character must be a digit, the last character must be a digit, and any character that is a sign must be followed by a digit. There ... by $N_k=a N _{k-1}+b N _{k-2}$, for $k \geq 3$. What is $a+ b?$
GO Classes
asked
in
Combinatory
Jan 13
by
GO Classes
533
views
goclasses2024-mockgate-11
goclasses
numerical-answers
combinatory
recurrence-relation
2-marks
0
votes
4
answers
8
Made Easy Probability - Let X be a set containing n elements. Three subsets A,B, C of X are chosen at random. The probability that A, B, C are pairwise disjoint is? (What do they mean by pairwise disjoint? and how should I approach this question?)
tishhaagrawal
asked
in
Probability
Dec 4, 2023
by
tishhaagrawal
1.0k
views
probability
combinatory
counting
made-easy-test-series
gate-preparation
test-series
engineering-mathematics
self-doubt
bad-question
0
votes
0
answers
9
how many it string of length 10 over the alphabet {a,b,c} have either exactly three a's or exactly four b's
_shreya123
asked
in
Combinatory
Nov 18, 2023
by
_shreya123
233
views
combinatory
strings
0
votes
1
answer
10
#self doubt
The number of bit strings of length 8 that will either start with 1 or end with 00 is? (https://gateoverflow.in/15898/isro2014-19) In the ‘either or’ case we will include the ‘and’ case also? means: 1 string starting with 1 2 stating ending with 00 3 strings start with 1 and end with 00 all above cases will be included in either or case or only 1,2 will be included?
Dknights
asked
in
Combinatory
Oct 27, 2023
by
Dknights
198
views
combinatory
0
votes
2
answers
11
Self Doubt
The Total Combinations Possible of Min heap with 8 Distinct elements are ?
viral8702
asked
in
Programming in C
Sep 21, 2023
by
viral8702
283
views
binary-heap
heap
combinatory
data
data-structures
0
votes
1
answer
12
EXAMS 2023 CO and Architecture
A RISC machine has a clock period of 50ns. 20% of its commands are LOAD and STORE commands. On average, 50% NO-OP instructions and 50% useful instructions are placed in the delay slots of these instructions. In the new model of the machine ... instruction, and only 20% of all delay slots are filled with useful instructions. Which machine is faster and by how much?
Greepes
asked
in
CO and Architecture
Sep 19, 2023
by
Greepes
432
views
co-and-architecture
pipelining
combinatory
exam-stress
2
votes
2
answers
13
GoClasses Youtube
Determine the Number of $6$ digit integers (no leading zeroes) in which no digit is repeated and its divisible by $4$.
Swarnava Bose
asked
in
Combinatory
Aug 16, 2023
by
Swarnava Bose
450
views
discrete-mathematics
permutation-combination
combinatory
0
votes
1
answer
14
Permutations
Çșȇ ʛấẗẻ
asked
in
Mathematical Logic
Jul 28, 2023
by
Çșȇ ʛấẗẻ
236
views
discrete-mathematics
combinatory
mathematical-logic
made-easy-test-series
2
votes
4
answers
15
Permutation and Combination
In how many ways can 3 non-negative integers be chosen such that a + b + c = 10 where a >= -1 , b >= -5 and c >= 3 ? 36 66 105 None
jaydip74
asked
in
Combinatory
Jul 22, 2023
by
jaydip74
478
views
combinatory
discrete-mathematics
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