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    Question

    The expense of a boarding house is partly fixed and

    partly varies with the number of boarders. What is the profit per head per month when there are 80 boarders? Which one of the following is correct in respect of the Question and the Statements given below? Statement 1: Each boarder pays $ 780 a month. Statement 2: The profit is $108 per head per month when there are 50 boarders. Statement 3: The profit is $128 per head per month when there are 60 boarders.
    A Even all the three statements taken together is still not sufficient. Correct Answer Incorrect Answer
    B Statement 2 and Statement 3 together are sufficient. Correct Answer Incorrect Answer
    C All the three statements together are sufficient, Correct Answer Incorrect Answer
    D Statement 1 and any one of the other two statements taken together are sufficient. Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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