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    Question

    A question is given, followed by three statements

    labelled I, II and III. Identify which of the statements is/are sufficient to answer the question. Question: What is the value of A when D = 7? Statements: I. A varies directly with the sum of B and C, B varies directly with D and C varies directly with D². II. When D = 3, A = 33. III. When D = 4, A = 52.
    A I and III Correct Answer Incorrect Answer
    B I, II and III Correct Answer Incorrect Answer
    C I only Correct Answer Incorrect Answer
    D I and II Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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