Solving tricky riddles is the best exercise for your brain. If you want to keep it sharp and develop some serious analytical skills, practice with riddles like this one. In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long will it take for the patch to cover half the lake? Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

18 Tough Riddles I Gave Up Halfway Through, See How You Do

Scientists have long proven that solving tricky riddles and challenging puzzles give your brain the workout it needs. The more you exercise your brain, the more productive you'll be at work or school. Amazing brain teasers, mystery riddles, detective puzzles, and tricky quizzes – all in one place.