By finding the solution to a riddle, we enhance our problem-solving abilities and improve our memory power. This process of logical reasoning and puzzle-solving has a positive impact on our overall cognitive development. When solving a riddle, we learn to observe distinct elements and determine their significance within the broader context. This approach can greatly enhance our visual-spatial reasoning skills.

So next time you come across a riddle, take a moment to appreciate the mental workout it provides. Embrace the challenge and reap the rewards of improved problem-solving and memory capabilities.

Solution: Chivalry is missing from the picture. All the ladies are standing, with one being pregnant, and other being an elder.