New Enroll for RBI, PFRDA & NABARD Intro Class! April 18 at 9:15 PM

    Question

    What will come in place of (?) in the given number series

    9, 20, 63, ?, 1285,

    7716 
    A 114 Correct Answer Incorrect Answer
    B 428 Correct Answer Incorrect Answer
    C 320 Correct Answer Incorrect Answer
    D 256 Correct Answer Incorrect Answer
    E 100 Correct Answer Incorrect Answer

    Solution

    ATQ, 9 × 2 + 2 = 20 20 × 3 + 3 = 63 63 × 4 + 4 = 256 256 × 5 + 5 = 1285 1285 × 6 + 6 = 7716

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