Question
66, 115, 34, 155, 14,
211 Find the wrong number in the given number series.Solution
ATQ, The given series follows the pattern of alternate addition and subtraction of alternate squares. 66 + 72 = 115 115 – 92 = 34 34 + 112 = 155 155 – 132 = -14 -14 + 152 = 211 Therefore, -14 should come in place of 14.
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