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Recent questions in Discrete Mathematics
2
votes
1
answer
5101
prepositional logic
when ∀xP(x) --> Q(x) is given does it mean (∀xP(x)) --> Q(x) or it means ∀x(P(x) --> Q(x))? in short precedence of quantifiers is greater or implies is greater?
Anusha Motamarri
asked
in
Mathematical Logic
Nov 7, 2016
by
Anusha Motamarri
404
views
mathematical-logic
first-order-logic
1
vote
1
answer
5102
There are 10 bacteria in a flask. Every hour 3 bacteria die and the remaining ones are each divided into 2 after 1 day
Akriti sood
asked
in
Combinatory
Nov 7, 2016
by
Akriti sood
569
views
combinatory
counting
3
votes
1
answer
5103
Combinatory
In a country, there are coins of denominations ${$2}$, ${$3}$ and ${$7}$. How many different ways are there to pay exactly ${$10}$ ?
Akriti sood
asked
in
Combinatory
Nov 7, 2016
by
Akriti sood
623
views
combinatory
3
votes
2
answers
5104
A palindrome is a string whose reversal is identical to the string. How many bit strings of length n are palindromes?
Akriti sood
asked
in
Combinatory
Nov 7, 2016
by
Akriti sood
6.5k
views
counting
combinatory
5
votes
2
answers
5105
permutation combo
In how many ways can seven different jobs be assigned to 4 different employees so that each employee is assigned at least one job and the most difficult job is assigned to the best employee?
Akriti sood
asked
in
Combinatory
Nov 7, 2016
by
Akriti sood
3.4k
views
combinatory
1
vote
1
answer
5106
ME-Practice Book Discrete Math Q#19
KISHALAY DAS
asked
in
Set Theory & Algebra
Nov 5, 2016
by
KISHALAY DAS
529
views
1
vote
1
answer
5107
ME-Practice Book Discrete Math Q#49
KISHALAY DAS
asked
in
Set Theory & Algebra
Nov 5, 2016
by
KISHALAY DAS
465
views
2
votes
1
answer
5108
ME-Practice Book Discrete Math Q#
Which additional properties are true if a partial order must become linear order
KISHALAY DAS
asked
in
Set Theory & Algebra
Nov 5, 2016
by
KISHALAY DAS
574
views
1
vote
1
answer
5109
ME-Practice Book Discrete Math Q#72
KISHALAY DAS
asked
in
Set Theory & Algebra
Nov 5, 2016
by
KISHALAY DAS
361
views
1
vote
1
answer
5110
ME-Practice Book Discrete Math Q#
KISHALAY DAS
asked
in
Combinatory
Nov 5, 2016
by
KISHALAY DAS
515
views
0
votes
0
answers
5111
ME-Practice Book Discrete Math Q#86
KISHALAY DAS
asked
in
Set Theory & Algebra
Nov 5, 2016
by
KISHALAY DAS
194
views
1
vote
1
answer
5112
ME-Practice Book Discrete Math Q#93
KISHALAY DAS
asked
in
Combinatory
Nov 5, 2016
by
KISHALAY DAS
349
views
combinatory
made-easy-booklet
3
votes
1
answer
5113
Discrete Maths
Q : Messages are tranmitted over communication channel using two signals. Transmittal of one signal requires 1 microsecod and transmittal of other signal requires 2 microsecond.Assume that each signal is immediately followed by next signal.The number of different messages consisting of sequences of these two signals that can be sent in 10 microseconds is.??
Ravi_1511
asked
in
Combinatory
Nov 5, 2016
by
Ravi_1511
1.4k
views
ordered-partition
n-pennant
fibonacci-sequence-application
5
votes
2
answers
5114
Counting Functions
Q: The number of surjective functions f from A = { 1 , 2 , 3 , 4 , 5 , 6 } to B = { 1 , 2 , 3 , 4 , 5 } for which f(6) = 3 is ......?
Ravi_1511
asked
in
Set Theory & Algebra
Nov 3, 2016
by
Ravi_1511
1.4k
views
onto-functions
combinatory
inclusion-exclusion-principle
2
votes
0
answers
5115
IITM MS Previous Year
Let a,b,c,d are 4 consecutive numbers of Fibonacci series. Prove or dis-approve ad-bc= ±1 Now my question is can we prove it by induction?
Aboveallplayer
asked
in
Mathematical Logic
Nov 2, 2016
by
Aboveallplayer
462
views
2
votes
1
answer
5116
MadeEasy Test Series: Set Theory & Algebra - Binary Operation
Kashyap Avinash
asked
in
Set Theory & Algebra
Nov 2, 2016
by
Kashyap Avinash
436
views
made-easy-test-series
engineering-mathematics
discrete-mathematics
set-theory&algebra
1
vote
1
answer
5117
Discrete maths
https://gateoverflow.in/?qa=blob&qa_blobid=15165260876214054240
Ravi_1511
asked
in
Graph Theory
Nov 2, 2016
by
Ravi_1511
260
views
minimum-spanning-tree
1
vote
2
answers
5118
set theory
What is the number of relations which are either symmetric or antisymmetric on a set with 3 elements?
vaishali jhalani
asked
in
Set Theory & Algebra
Nov 2, 2016
by
vaishali jhalani
1.9k
views
set-theory&algebra
relations
4
votes
1
answer
5119
MadeEasy Test Series: Combinatory - Pigeonhole Principle
A community of 5 members is to be formed out of 10 people. The names are written in chits of paper and put into 6 boxes. So how many chits will go into the same box? Anyone, please make me understand this question.
vijaycs
asked
in
Combinatory
Nov 1, 2016
by
vijaycs
2.8k
views
made-easy-test-series
engineering-mathematics
discrete-mathematics
pigeonhole-principle
1
vote
2
answers
5120
Sweet Distribution
During the festival of Diwali, as a popular custom, people distribute sweets among their friends and neighbour. Many a times, because of growing number of sweet boxes to distribute, people generally gift the boxes they recieve to someother person :). This is benificial ... of them gift sweet boxes to every other family, and are left with atleast one sweet box $?$. HAPPY DIWALI !!
vivek9837
asked
in
Combinatory
Oct 29, 2016
by
vivek9837
1.9k
views
combinatory
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