Question

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

    following series? 72, 108, 172, ?, 416, 612
    A 272 Correct Answer Incorrect Answer
    B 328 Correct Answer Incorrect Answer
    C 205 Correct Answer Incorrect Answer
    D 220 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 72 + 62 = 108 108 + 82 = 172 172 + 102 = 272 272 + 122 = 416 416 + 142 = 612 

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