New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    What will come in the place of questions (?) mark in following questions.

    28, 52, 84, 124, 172,

    ?.
    A 233 Correct Answer Incorrect Answer
    B 228 Correct Answer Incorrect Answer
    C 155 Correct Answer Incorrect Answer
    D 264 Correct Answer Incorrect Answer
    E 170 Correct Answer Incorrect Answer

    Solution

    Here series follows the pattern- 5²  +3, 7²  + 3, 9² +  3, 11²  +3, 13² +3, 15² +3

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