Question

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

    following series? 7, 20, 59, 176, 527, 1580, ?
    A 4739 Correct Answer Incorrect Answer
    B 4539 Correct Answer Incorrect Answer
    C 4339 Correct Answer Incorrect Answer
    D 4700 Correct Answer Incorrect Answer
    E 4839 Correct Answer Incorrect Answer

    Solution

    7 × 3 – 1 = 20 20 × 3 – 1 = 59 59 × 3 – 1 = 176 176× 3 – 1 = 527 527 × 3 – 1 = 1580 1580× 3 – 1 = 4739

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