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    Question

    Select the number from among the given options that can

    replace the question mark (?) in the following series. 42, 43, 47, 56, 72, ?
    A 88 Correct Answer Incorrect Answer
    B 102 Correct Answer Incorrect Answer
    C 97 Correct Answer Incorrect Answer
    D 108 Correct Answer Incorrect Answer

    Solution

    The logic followed here is that the square of consecutive natural numbers is added to each preceding term: 42 + 1² = 42 + 1 = 43 43 + 2² = 43 + 4 = 47 47 + 3² = 47 + 9 = 56 56 + 4² = 56 + 16 = 72 72 + 5² = 72 + 25 = 97 '97' will complete the series.

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