Let R be a relation on Z×Z defined by (a, b)R(c, d) if and only if ad-bc is divisible by 5 . Then R is

Question

Let

R

be a relation on

Z \times Z

defined by

(a, b) R (c, d)

if and only if

a d - b c

is divisible by

5

. Then

R

Reflexive and symmetric but not transitive

Reflexive but neither symmetric not transitive

Reflexive, symmetric and transitive

Reflexive and transitive but not symmetric

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