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

    Question

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

    257, 399, 566, ?, 983,

    1237 
    A 569 Correct Answer Incorrect Answer
    B 770 Correct Answer Incorrect Answer
    C 760 Correct Answer Incorrect Answer
    D 765 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, 257 + 122 - 2 = 399 399 + 132 - 2 = 566 566 + 142 - 2 = 760 760 + 152 - 2 = 983 983 + 162 - 2 = 1237

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