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    Question

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

    given number series. 81, 73, 66, 60, 55, ?
    A 63 Correct Answer Incorrect Answer
    B 51 Correct Answer Incorrect Answer
    C 37 Correct Answer Incorrect Answer
    D 45 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Check the differences: 81 β†’ 73 = -8 73 β†’ 66 = -7 66 β†’ 60 = -6 60 β†’ 55 = -5 Next should be: 55 β†’ ? = -4 So, 55 - 4 = 51 Answer: 51

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