Data Sufficiency · Question 20 · Easy

Data Sufficiency question 20

Each question has two statements. Decide whether the data in the statements is sufficient to answer the question.
Question: What is the perimeter of the square?
I. Its diagonal is longer than its side.
II. Its area is 64 cm².

  1. Statement I alone is sufficient
  2. Statement II alone is sufficient
  3. Both statements together are needed
  4. Both statements together are not sufficient
Answer and explanation

Answer: B. Statement II alone is sufficient

Explanation: From II, the side is √64 = 8 cm and the perimeter is 32 cm, so II alone is sufficient. I is true of every square and gives no measurement.

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