Toggle navigation
Email or Username
Password
Remember
Login
Register

I forgot my password
Lecture
Questions
Unanswered
Categories
Ask a Question
×
Close
Welcome to Brainiak community
have a look towards our privacy policy and cookie
Recent questions and answers in SETS, RELATIONS AND FUNCTIONS
+1
vote
1
answer
Let Z be the set of integers. If A = {x ∈ Z : 2(x +2)(x^2  5x + 6) = 1} and B {x ∈ Z : 3 < 2x  1 < 9},
answered
Jul 15
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

55
views
+1
vote
1
answer
Let S = {1, 2, 3, ... , 100}. The number of nonempty subsets A of S such that the product of elements in A is even is :
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

38
views
0
votes
1
answer
Let X = {n ∈ N : 1 ≤ n ≤ 50}. If A = {n ∈ X : n is multiple of 2} and B = {n ∈ X : n is a multiple of 7},
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

11
views
0
votes
1
answer
Let Ui = 1 Xi for i ∈ 50 = Ui = 1 for i ∈ n Yi = T, where each Xi contains 10 elements and each Yi contains 5 elements.
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

129
views
0
votes
1
answer
A survey shows that 73% of the persons working in an office like coffee, whereas 65% like tea.
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

152
views
0
votes
1
answer
Set A has m elements and Set B has n elements. If the total number of subsets of A is 112 more than the total number of subsets
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

32
views
setsrelationandfunctionjee
+1
vote
1
answer
In a college of 300 students, every student read 5 newspaper and every newspaper is read by 60 students.
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

16
views
+1
vote
1
answer
If A = [(x, y) : x2 + y2 = 25] and B = [(x, y) : x2 + 9y2 = 144], then A ∩ B contains _______ points.
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

92
views
setsrelationandfunctionjee
+1
vote
1
answer
Let A = {θ : tanθ + secθ = √2secθ} and B = {θ : secθ  tanθ = √2tanθ} be two sets then. (a) A = B (b) A ⊂ B (c) A ≠ B (d) B ⊂ A
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

17
views
0
votes
1
answer
In a certain town 30% families own a scooter and 40% on a car 50% own neither a scooter nor a car 2000 families
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

4
views
0
votes
1
answer
Let X = {x, y, z} / x, y, z ∈ N, x + y + z = 10, {x < y < z } and Y = {(x, y, z) / x, y, z ∈ N, y =  x  z } then X ∩ Y is equal to
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

27
views
0
votes
1
answer
If two sets A and B are having 43 elements in comman, then the number of elements common to each of the sets A x B and B x A is
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

33
views
setsrelationandfunctionjee
0
votes
1
answer
If X ∪ {3, 4} = {1, 2, 3, 4, 5, 6} the which of the following is true (a) Smallest set X = {1, 2, 5, 6} (b) Smallest set X = {1, 2, 3, 5, 6}
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

12
views
setsrelationandfunctionjee
0
votes
1
answer
A survey shows that 70% of the Indian like mango where 82% like apple. If x% of Indian like both mango and apples then
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

46
views
setsrelationandfunctionjee
0
votes
1
answer
Two finite sets have m and n element respectively. The total number of subsets of first set is 112 more than the total number of sub sets of the second set.
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

46
views
+1
vote
1
answer
If aN = {ax/x ∈ N} and bN ∩ cN = dN Where b, c ∈ N are relatively prime then
answered
Jul 3
in
SETS, RELATIONS AND FUNCTIONS
by
Brainiak
Expert
(
11.5k
points)

48
views
setsrelationandfunctionjee
Help get things started by
asking a question
.
All categories
Lecture
2
Doubt
0
JEEmain
264
Physics
126
chemistry
43
Mathematics
85
SETS, RELATIONS AND FUNCTIONS
16
COMPLEX NUMBERS AND QUADRATIC EQUATIONS
5
MATRICES AND DETERMINANTS
0
PERMUTATIONS AND COMBINATIONS
0
MATHEMATICAL INDUCTIONS
0
BINOMIAL THEOREM AND ITS SIMPLE APPLICATIONS
0
SEQUENCE AND SERIES
0
LIMIT, CONTINUITY AND DIFFERENTIABILITY
0
INTEGRAL CALCULAS
0
DIFFRENTIAL EQUATIONS
0
COORDINATE GEOMETRY
0
THREE DIMENSIONAL GEOMETRY
0
VECTOR ALGEBRA
0
STATISTICS AND PROBABILITY
0
TRIGONOMETRY
0
MATHEMATICAL REASONING
9
Uncategorized
55
YEARWISE
10
MHTCET
22
maharashtra state board
382
11th Science Maharashtra Board
106
12th Science Maharashtra Board
60
questionhub
4
general
12
computerscience
36
Exam papers
10
MOCK TEST
2
Uncategorized
13
Writing Skill
30
Appreciation of the poem
4
Short Stories
2
Poem
0
Projects
21
970
questions
844
answers
12
comments
25
users