
Groups RT
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Easy
Azfar haque
Used 8+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a * b = a + b – 2, then inverse of ‘ 1’ is
1
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a*b = , (Q+,*) is an abelian group which of the following is not true
e = 3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For all numbers s and t, the operation is defined by s * t = (s – 1)(t + 1). If (-2) * x = - 12 then x =?
2
3
5
6
11
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the operation O is defined by the equation xOy = 2x + y, what is the value of a in the equation 2 O a = a O 3
0
-1
1
1.5
4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Let S = {A, B, C, D} where A = {a}, B = { a, b} , C = { a, b, c} and D = ф, then the missing elements of the composition table
C,D
A, A
A, B
B, B
C, C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If S = { A, B, C, D}, where A= {a, b}, B = {a, c} , C = {a, b, c} and D = ф , then which one of the following statement is true.
is not a binary option on S
is not a binary option on S
is a binary operation on S
is not a binary operations on S
A & B Both
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A monoid is always a;
Group
A commutative group
A non abelian group
Groupoid
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