In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
7, 5, 2, ?, -7
The series follows pattern as,
7 - 2 = 5
5 - 3 = 2
2 - 4 = -2
-2 - 5 = -7
$$\therefore$$ The correct answer is option A.
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