Question

    171, 86, 87, 132, 266,

    668 Find the wrong number in the given number series.
    A 668 Correct Answer Incorrect Answer
    B 171 Correct Answer Incorrect Answer
    C 86 Correct Answer Incorrect Answer
    D 87 Correct Answer Incorrect Answer

    Solution

    ATQ, 171 x  0.5 + 0.5 = 86 86  x 1 + 1 = 87 87 x 1.5 + 1.5 = 132 132 x  2 + 2 = 266 266  x  2.5  +  2.5 = 667.5 So, 667.5 should come in place of 668.

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