List of top Mathematics Questions on types of relations asked in COMEDK UGET

The number of relations, defined on the set {a, b, c, d which are both reflexive and symmetric, is equal to:}

The relation \( R = \{(1,1),(2,2),(3,3)\ \) on the set \( \{1,2,3\} \) is}

For real numbers \( x \) and \( y \), \( xRy \iff x - y + \sqrt{2} \) is an irrational number. Then the relation \( R \) is: