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    Question

    10, 20, 60, 300, ?,

    23100 What will come in place of question mark (?) in the following number series?
    A 2100 Correct Answer Incorrect Answer
    B 900 Correct Answer Incorrect Answer
    C 6800 Correct Answer Incorrect Answer
    D 8500 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    10 × 1 = 10 10 × 2 = 20 20 × 3 = 60 60 × 5 = 300 300 × 7 = 2100 2100 × 11 = 23100

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