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Option 2 : {12, 80, 8}
The logic followed here is:
(First number + Last number) × (First number ~ Last number) = Second number.
In {11, 240,19} →
(11 + 19) × (19 - 11) = 30 × 8 = 240.
Similarly,
In {12, 80, 8} →
(12 + 8) × (12 - 8) = 20 × 4 = 80.
Hence, the correct answer is "{12, 80, 8}".
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