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Part ACSIR NET June 2024equal-percentages-on-unequal-bases

Equal percentages on unequal bases

By selling two items at the same price, a person gains 20% on one item and loses 20% on the other. Then over all

  1. A.he neither loses nor gains.
  2. B.he loses 5%.
  3. C.he loses 4%.✓
  4. D.he gains 4%.

You have the answer. Trap Analysis is why the other three were written.

Not a worked solution repeated four times — the specific reasoning error each wrong option was built to reward.

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