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Data Sufficiency Question 16 – answer, explanation & discussion

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Question 16 Back to Exercise

How many diagonals does the polygon have?

I. It is a hexagon.
II. It has more than 4 sides.

  • A Statement I alone is sufficient, but Statement II alone is not sufficient Correct
  • B Statement II alone is sufficient, but Statement I alone is not sufficient
  • C Each statement alone is sufficient
  • D Both statements together are sufficient, but neither statement alone is sufficient
  • E Statements I and II together are not sufficient
Correct Answer: Option A

I: 6 × 3 ÷ 2 = 9. Sufficient.

II: 5, 6, 7 … sides all fit. Not sufficient.

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