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Two positive numbers add to 64, and their difference is 12. What is the smaller number?

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Question: Two positive numbers add to 64, and their difference is 12. What is the smaller number?

  1. 27
  2. 26
  3. 25
  4. 28

Correct Answer: B — 26

Explanation: With a sum S and difference D, the smaller number is (S − D)/2.
(64 − 12) ÷ 2 = 26. This is the requested value.

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