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    Question

    17 21 51 169 701

    ? What should come in place of question mark ‘?’ in the following number series?
    A 3022 Correct Answer Incorrect Answer
    B 3541 Correct Answer Incorrect Answer
    C 3154 Correct Answer Incorrect Answer
    D 3356 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    17 × 1 + 4 = 21 21 × 2 + 9 = 51 51 × 3 + 16 = 169 169 × 4 + 25 = 701 701 × 5 + 36 = 3541

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