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    Question

    7, 9, 21, ?, 107,

    197 What will be come in place of question mark (?) in the given number series
    A 51 Correct Answer Incorrect Answer
    B 61 Correct Answer Incorrect Answer
    C 71 Correct Answer Incorrect Answer
    D 41 Correct Answer Incorrect Answer

    Solution

    ATQ, 7 + 1 ├Ч 2 = 9 9 + 3 ├Ч 4 = 21 21 + 5 ├Ч 6 = 51 51 + 7 ├Ч 8 = 107 107 + 9 ├Ч 10 = 197

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