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

    Question

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

     6, 20, 63, 193, ?, 1758 

     
    A 565 Correct Answer Incorrect Answer
    B 570 Correct Answer Incorrect Answer
    C 584 Correct Answer Incorrect Answer
    D 600 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    6, 20, 63, 193, ?, 1758  6 x 3 + 2 = 20 20 x 3+ 3 = 63 63 x 3 + 4 = 193 193 x 3 + 5 = 584 584 x 3 + 6 = 1758 584  will come in place of question (?) mark in following number series

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