Question

    D irection: Which of the following will replace ‘?’ in the following series

    9, ‘?’, 1242, 1581, 1783

    A 742 Correct Answer Incorrect Answer
    B 738 Correct Answer Incorrect Answer
    C 864 Correct Answer Incorrect Answer
    D 734 Correct Answer Incorrect Answer
    E 936 Correct Answer Incorrect Answer

    Solution

    4 less than the cube of consecutive natural number is being added to the number next in series. 9           734.             1242.                   1581.                    1783.     725             508.                  339.                     212.   (729 - 4.)    (512- 4)          (343- 4)         ( 216-4)

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