Civil Service Exam Reviewer · Logical Reasoning · easy

Assume the following statements are true: 1. Some taxpayers are elected officials. 2. All elected officials are barangay officials. Which conclusion MUST be true?

  1. Some taxpayers are not barangay officials.
  2. All barangay officials are taxpayers.
  3. Some taxpayers are barangay officials.
  4. None of these conclusions necessarily follows.

Answer

C. Some taxpayers are barangay officials.

Solution

Some taxpayers are elected officials, and all elected officials are barangay officials. So at least those taxpayers are also barangay officials. The other choices may or may not be true, so they do not necessarily follow.

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