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Anonymous
21, 42, 63, 84, 105, 126, 147, 168, 189, 210
Wiki User
30, 60, 90
The anser to that Q is 30.
20, 40, 60
20, 40 and 60
40, 80, 120
The sum of the first 10 multiples of 3 is 165.
20, 40, and 60