यदि समुच्चय A = {5, 8, 9, 12} है, तो A पर परिभाषित किए जा सकने वाले विशिष्ट संबंधों की कुल संख्या कितनी है?

If A = {1, 2} and B = {a, b}, what is the total number of possible relations from set A to set B?

Let R be a relation on the set N of natural numbers defined by R = {(x, y) : x, y ∈ N and x = y3}. Which of the following statements is/are correct? I. R is a symmetric relation II. R is a transitive relation