Question
What will come in place of the question mark (?) in the
following series? 34, 61, 7, ?, -20, 115Solution
ATQ, 34 + (27 × 1) = 61 61 – (27 × 2) = 7 7 + (27 × 3) = 88 88 – (27 × 4) = -20 -20 + (27 × 5) = 115
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