Answer:
3: 6, 9, 12, 15, 18
5: 10, 15, 20, 25, 30
7: 14, 21, 28, 35, 42
Explanation:
Well, this is simple. Each multiple is that number plus the same number.
3: 3+3, 3+3+3, 3+3+3+3, 3+3+3+3+3, 3+3+3+3+3+3
3: 6 + 9 + 12 + 15 + 18
5: 5+5, 5+5+5, 5+5+5+5, 5+5+5+5+5, 5+5+5+5+5+5
5: 10, 15, 20, 25, 30
7: 7+7, 7+7+7, 7+7+7+7, 7+7+7+7+7, 7+7+7+7+7+7
7: 14, 21, 28, 35, 42
-Chetan K