Question

    Each of the following questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer.

    How many boys are there in the class? I. The

    number of girls is 30% of the number of boys. II. The ratio of the number of boys to that of girls is 3:5.
    A If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question. Correct Answer Incorrect Answer
    B If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question. Correct Answer Incorrect Answer
    C If the data either in statement I alone or statement II alone are sufficient to answer the question. Correct Answer Incorrect Answer
    D If the data in both statement I and II together are not sufficient to answer the question. Correct Answer Incorrect Answer
    E If the data in both statement I and II together are necessary to answer the question. Correct Answer Incorrect Answer

    Solution

    From I G = 30/100 B ∴ 10B = 3G From II B/G = 3/5 ∴ 5B = 3G. Hence, both are not sufficient to answer the question.

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