A) (12, 8, 20, 0)
B) (-2.0, 2, 4)
C) (7, 2, 10, 14)
D) (4, -4, 2, 0)
Correct Answer: A
Solution :
\[n+8=20\Rightarrow n=12\] By trial and error method, substitute values from each set and find the solution.
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