New Enroll here to Join NaBFID Analyst Into Class on May 6

    Question

    What should come in place of question mark ‘?’ in the following number series?

    2 10 40 120 ?

    240
    A 230 Correct Answer Incorrect Answer
    B 210 Correct Answer Incorrect Answer
    C 240 Correct Answer Incorrect Answer
    D 220 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    2 × 5 = 10 10 × 4 = 40 40 × 3 = 120 120 × 2 = 240 240 × 1 = 240

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