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The question below is followed by two statements I and II. You have to determine whether the data given is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose the best possible answer. A business school has students from MBA, BBA, and BBS. What is the probability of selecting a BBA student from business school? I. MBA, BBA and BBS are in ratio of 1 : 2 : 3. II. Total student in the business school are 6000.

The question below is followed by two statements I and II. You have to determine whether the data given is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose the best possible answer. A business school has students from MBA, BBA, and BBS. What is the probability of selecting a BBA student from business school? I. MBA, BBA and BBS are in ratio of 1 : 2 : 3. II. Total student in the business school are 6000. Correct Answer If statement I alone is sufficient to answer the question, but statement II alone is not sufficient.

From statement I

Let number of student in MBA, BBA and BBS are x, 2x and 3x

Probability of selecting a BBA student from B-school

⇒ 2x/(x + 2x + 3x)

⇒ 2x/6x = 1/3

∴ Statement I alone is sufficient to answer the question, but the statement II alone is not sufficient

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