Number on the Bottom

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?




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There are five people. One of them shot and killed one of the other five.
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In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.