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    Question

    42, 54, 78, 114, 168,

    222 Find the wrong number in the given number series.
    A 168 Correct Answer Incorrect Answer
    B 78 Correct Answer Incorrect Answer
    C 114 Correct Answer Incorrect Answer
    D 222 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, The series follows the pattern: 42 + 12 × 1 = 54, 54 + 12 × 2 = 78, 78 + 12 × 3 = 114, 114 + 12 × 4 = 162, 162 + 12 × 5 = 222. Therefore, 162 should be in place of 168.

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