Data Sufficiency · Question 22 · Medium
Data Sufficiency question 22
Each question has two statements. Decide whether the data in the statements is sufficient to answer the question.
Question: What is the area of the circle? (Take π = 22/7.)
I. Its circumference is 44 cm.
II. The circle is drawn inside a square.
- 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, 2πr = 44 gives r = 7 cm and area = 22/7 × 49 = 154 cm², so I alone is sufficient. II gives no measurement.
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