After the first two terms in a sequence of numbers, each term in the sequence is formed by adding all of the preceding

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After the first two terms in a sequence of numbers, each term in the sequence is formed by adding all of the preceding terms. Is 12 the fifth term in the sequence?

(1) The sum of the first 3 terms in the sequence is 6.
(2) The fourth term in the sequence is 6.

Answer: D

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