Mathematics · JEE I SETS

Let \( A = \{x \in \mathbb{N} : x \le 50 \text{ and } x \text{ is a multiple of } 3\} \) and \( B = \{x \in \mathbb{N} : x \le 50 \text{ and } x \text{ is a multiple of } 5\} \). The number of subsets of \( A \cap B \) is:

1. A
   \( 8 \)
2. B
   \( 4 \)
3. C
   \( 16 \)
4. D
   \( 32 \)