Let R be a relation on the set N of natural numbers denoted by nRm ⇔ n is a factor of m (i.e. n | m). Then, R is
A. Reflexive and symmetric
B. Transitive and symmetric
C. Equivalence
D. Reflexive, transitive but not symmetric
Answer:D
Let R be a relation on the set N of natural numbers denoted by nRm ⇔ n is a factor of m (i.e. n | m). Then, R is
A. Reflexive and symmetric B. Transitive and symmetric C. Equivalence D. Reflexive, transitive but not symmetric