Unlike the questions in Set 1, this quiz features slightly more challenging practice problems designed to test and enhance your understanding of profit and loss concepts. The questions range from moderate to difficult in difficulty. Try to solve them without any external help. If you don’t get all the answers correct on your first attempt, don’t worry—you can retake the quiz to aim for a perfect score. If you notice any errors in the questions or answers, please leave a comment so we can address them. Enjoy the quiz and have fun!