Question

    10       15       40       135       ? 

        2825      16980
    A 512 Correct Answer Incorrect Answer
    B 536 Correct Answer Incorrect Answer
    C 560 Correct Answer Incorrect Answer
    D 584 Correct Answer Incorrect Answer
    E 608 Correct Answer Incorrect Answer

    Solution

    10 × 1 + 5 = 15  15 × 2 + 10 = 40  40 × 3 + 15 = 135 135 × 4 + 20 = 560 560 × 5 + 25 = 2825 2825 × 6 + 30 = 16980

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