Let $\mathrm { A } = \{ 1,2,3 , \ldots , 9 \} ; \mathrm { xRy }$ iff $\mathrm { x } - \mathrm { y }$ is multiple of 3 . $5 _ { 1 } : $ Number of elements in R is 36 $\mathcal { S } _ { 2 } : R$ is equivalence relation (A) $\mathrm { S } _ { 1 } \& \mathrm {~S} _ { 2 }$ both are correct (B) $\mathrm { S } _ { 1 }$ is correct but $\mathrm { S } _ { 2 }$ is not correct (C) $\mathrm { S } _ { 1 } \& \mathrm {~S} _ { 2 }$ both are incorrect (D) $\mathrm { S } _ { 2 }$ is correct but $\mathrm { S } _ { 1 }$ is not correct
Let $\mathrm { A } = \{ 1,2,3 , \ldots , 9 \} ; \mathrm { xRy }$ iff $\mathrm { x } - \mathrm { y }$ is multiple of 3 . $5 _ { 1 } : $ Number of elements in R is 36
$\mathcal { S } _ { 2 } : R$ is equivalence relation
(A) $\mathrm { S } _ { 1 } \& \mathrm {~S} _ { 2 }$ both are correct
(B) $\mathrm { S } _ { 1 }$ is correct but $\mathrm { S } _ { 2 }$ is not correct
(C) $\mathrm { S } _ { 1 } \& \mathrm {~S} _ { 2 }$ both are incorrect
(D) $\mathrm { S } _ { 2 }$ is correct but $\mathrm { S } _ { 1 }$ is not correct