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 two sons get on the boat and row back to shore. One jumps out and the other rows back to the island and gets out. The dad gets in and rides back to shore where he jumps out and the other son gets back in. The son goes back to the island, fetches the other son and together the two of them row back to the shore.