CTET Maths MCQ - Algebra

81 If every element of a group G is its own inverse, then G is

A
finite
B
infinite
C
cyclic
D
abelian 133.

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Correct AnswerOption D

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82 The universal relation A x A on A is

A
an equivalence relation
B
anti-symmetric
C
a partial ordering relation
D
not symmetric and not anti-symmetric

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Correct AnswerOption A

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83 Total number of different partitions of a set having four elements is

A
16
B
8
C
15
D
4

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Correct AnswerOption C

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84 A partition of {1, 2, 3, 4, 5} is the family

A
((1, 2),(3, 4),(3, 5))
B
(φ(1, 2),(3, 4),(5))
C
{(1, 2, 3),(5)}
D
{(1, 2,), (3, 4, 5)}

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Correct AnswerOption D

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