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    Question

    7       7       14       42     

    ?     840 What will come in place of the question mark (?) in the following series?
    A 182 Correct Answer Incorrect Answer
    B 258 Correct Answer Incorrect Answer
    C 168 Correct Answer Incorrect Answer
    D 124 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    7 x 1 = 7 7 x 2 = 14 14 x 3 = 42 42 x 4 =  168 168 x 5 = 840

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