New Enroll in RBI Gr B 2025 Exclusive New Batch on March 18

    Question

    In each of the following questions, a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have complete the series starting with the number given following the sequence of the given series.

    >3              25           173         1041       5201       20809 10             a              b             c              d             e What would come in place of b?
    A 724 Correct Answer Incorrect Answer
    B 565 Correct Answer Incorrect Answer
    C 554 Correct Answer Incorrect Answer
    D 548 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The above series go in the following sequence. 3 × 8 + 1 = 25 25 × 7 – 2 = 173 173 × 6 + 3 = 1041 1041 ×5  – 4 = 5201 5201 × 4 + 5 = 20809 Hence, the resulting series would be: 108156533931696167849

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