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    Question

    Find the wrong number in the given number series.

    21, 31, 11, 41, 1, 61
    A 61 Correct Answer Incorrect Answer
    B 21 Correct Answer Incorrect Answer
    C 1 Correct Answer Incorrect Answer
    D 31 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    21 + 10 ├Ч 1 = 31

    31 тАУ 10 ├Ч 2 = 11

    11 + 10 ├Ч 3 = 41

    41 тАУ 10 ├Ч 4 = 1

    1 + 10 ├Ч 5 = 51

    So, 51 should come in place of 61.

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