Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
mobile
exams
ask
sample papers
teach
pricing
sign-in
Download our FREE mobile app with 1000+ tests for CBSE, JEE MAIN, AIPMT
X
Search
Topics
Want to ask us a question?
Click here
Browse Questions
Student Questions
Ad
Home
>>
JEEMAIN and AIPMT
>>
Mathematics
>>
Class12
>>
Relations and Functions
0
votes
If a set $A$ has 2 elements, then how many binary operations are possible in $A$ ?
(A) 8 (B) 12 (C) 16 (D) 20
jeemain
math
class12
ch1
relations-and-functions
binary operation
medium
Share
asked
May 29, 2013
by
rvidyagovindarajan_1
edited
Aug 6, 2014
by
vijayalakshmi_ramakrishnans
Please
log in
or
register
to add a comment.
Can you answer this question?
Do not ask me again to answer questions
Please
log in
or
register
to answer this question.
1 Answer
0
votes
Toolbox:
If a set has n elements then no. of binary operations in that set = $\large n^{n^2}$
No. of binary operations on a set having n elements=$\large n^{n^2}$
Here $n=2$
$\large 2^{2^2}=16$
answered
May 29, 2013
by
rvidyagovindarajan_1
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
If $A=\{1,2\},$ then how many binary operations having 1 as identity and 2 as inverse of 2 are possible?
asked
May 29, 2013
by
rvidyagovindarajan_1
jeemain
math
class12
ch1
relations-and-functions
binary operation
medium
0
votes
1
answer
The number of bijection mappings that are possible from $Set \:A$ containing 5 elements to $Set\:B$ containing 6 elements is ?
asked
May 31, 2013
by
rvidyagovindarajan_1
jeemain
math
class12
ch1
relations-and-functions
types
of
functions
easy
0
votes
0
answers
If $a\in R$ and the equation $-3 (x-[x])^2 + 2(x-[x])+a^2 = 0$, (where $[x]$ denotes the greatest integer $\leq x$) has no integral solution, then all possible values lie in the interval:
asked
Apr 6, 2014
by
balaji.thirumalai
jeemain
math
class12
ch1
relations-and-functions
jeemain-2014
types
of
functions
q33
medium
0
votes
1
answer
If $*$ is a binary operation defined as $a*b=3a-b$, then $(2*3)*4=$ ?
asked
May 12, 2013
by
rvidyagovindarajan_1
jeemain
math
class12
ch1
relations-and-functions
binary-operation
easy
0
votes
1
answer
If * is a binary operation defined by a*b=$\frac{ab}{100}$ in $Q^+$ then the inverse element of 0.1 is:
asked
May 12, 2013
by
rvidyagovindarajan_1
jeemain
math
class12
ch1
relations-and-functions
binary-operations
easy
0
votes
1
answer
If * is binary operation defined in N as a*b=$a^3+b^3$ then * is
asked
May 1, 2013
by
rvidyagovindarajan_1
jeemain
math
class12
ch1
relations-and-functions
binary-operations
easy
0
votes
1
answer
If $A=\{1,2,3,4\}$ and $B=\{1,2\}$, then the number of onto functions from $A$ to $B$ is
asked
Apr 28, 2013
by
rvidyagovindarajan_1
jeemain
math
class12
ch1
relations-and-functions
functions
medium
Ask Question
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
AIPMT Crash Practice
5 Test Series
JEEMAIN
350+ TESTS
AIPMT
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
x
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...