Home Maths Relations and Functions Statement Based Let be the set of real numbers. Statement-1…
Maths Relations and Functions Statement Based Single Correct MCQ
Published on: August 13, 2026

Let be the set of real numbers.

Statement-1 : is an integer is an equivalence relation on .
Statement-2: for some rational number is an equivalence relation on .

A
Statement-1 is true, Statement-2 is false.
B
Statement-1 is false, Statement-2 is true.
C
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1.
D
Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1.

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Text Solution

Verified by Experts
The correct answer is:
A

Now, integer and integer = integer

and

is transitive

As is an integer is true is reflexive Also, is symmetric

Hence, is an equivalence relation but is not, as ( ) is in but is not in .

∴ Statement- 1 is true but Statement- 2 is false.

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