New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    What will come in place of the question mark (?) in the following series?

    20        60       180      

    540      ?      4860
    A 1780 Correct Answer Incorrect Answer
    B 1620 Correct Answer Incorrect Answer
    C 1840 Correct Answer Incorrect Answer
    D 1660 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    20 x 3 = 60 60 x 3 = 180 180 x 3 = 540 540 x 3 =  1620 1620 x 3 = 4860

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