JEE Main 2023 Mathematics question
Let A = {1, 3, 4, 6, 9} and B = {2, 4, 5, 8, 10}. Let R be a relation defined on A × B such that R = {) : and }. Then the number of elements in the set R is
Answer: (A)
Let A = {1, 3, 4, 6, 9} and B = {2, 4, 5, 8, 10}. Let R be a relation defined on A × B such that R = {) : and }. Then the number of elements in the set R is