Q.
Let R be a relation on the set N of natural numbers defined by n Rm ⇔ n is a factor of m (i.e. n | m). Statement-1: R is not an equivalence relation Statement-2: R is not symmetric
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a
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1
b
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1
c
STATEMENT-1 is True, STATEMENT-2 is False
d
STATEMENT-1 is False, STATEMENT-2 is True
answer is A.
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Detailed Solution
Statement-2 is true as 2 | 6 ⇒ 2R6 but 6 does not divide 2 so R is not symmetric⇒ R is not an equivalence relation and the statement-1 is also true.
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