In algebra, a × b means ab, but in arithmetic 3 × 5 is
35
53
15
8
Step 1: “3 × 5” means 3 groups of 5.
Step 2: Add 5 three times:
(5 + 5 = 10)
(10 + 5 = 15)
So, (3 imes 5 = 15).
(You can also see it the other way: 5 groups of 3)
(3 + 3 + 3 + 3 + 3 = 15)
Answer: 15 → Option C.