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Earn 100

If is the smallest equivalence relation on the set such that , then the number of elements in is ______.
(a)
(b)
(c)
(d)

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Important Questions on Set Theory and Relations
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( x, y) R if and only if x is multiple of y, then R is

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and , where is the set of all rational numbers, then

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Define a relation over a class of real matrices and as " iff there exists a non-singular matrix such that ". Then which of the following is true ?

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and
is an integer}
Which of the following is true?

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Let be the real line. Consider the following subsets of the plane
is an integer Which one of the following is true?


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Which of the following properties does satisfy?
Reflexivity Symmetry Transitivity

