Data Sufficiency · Question 4 · Easy
Data Sufficiency question 4
Each question has two statements. Decide whether the data in the statements is sufficient to answer the question.
Question: How many students are there in the class?
I. Riya ranks 9th from the top and 12th from the bottom of the class.
II. There are more boys than girls in the class.
- Statement I alone is sufficient
- Statement II alone is sufficient
- Both statements together are needed
- Both statements together are not sufficient
Answer and explanation
Answer: A. Statement I alone is sufficient
Explanation: From I, total = 9 + 12 − 1 = 20. II gives no number.
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