This riddle has been around for some time on internet platforms such as Instagram, Facebook, and WhatsApp, and many people still argue over what the answer might be, as there are many possibilities. The correct answer is The woman made a profit of $20. She made $10 (bought at $60, sold at $70) when she sold the item for the first time and another $10 (bought at $80, sold at $90) when she sold it for the second time.