Question

    Which of the following numbers will replace the question

    mark (?) in the given series? 5, 10, 30, 120, ?, 4320
    A 360 Correct Answer Incorrect Answer
    B 480 Correct Answer Incorrect Answer
    C 600 Correct Answer Incorrect Answer
    D 720 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    5 × 2 = 10 10 × 3 = 30 30 × 4 = 120 120 × 6 = 720 720 × 6 = 4320 Hence, the missing number is 720.

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