[{"id": 1, "type": "true_false", "question": "The square root of 16 is 4.", "correct_answer": "True"}, {"id": 2, "type": "true_false", "question": "The square root of 121 is 11.", "correct_answer": "True"}, {"id": 3, "type": "true_false", "question": "The square root of 25 is 5.", "correct_answer": "True"}, {"id": 4, "type": "multiple_choice", "options": ["8:8", "12:6", "12:12", "6:12"], "question": "If the ratio is 6:6, what is the equivalent ratio when multiplied by 2?", "correct_answer": "12:12"}, {"id": 5, "type": "multiple_choice", "options": ["28 square units", "14 square units", "40 square units", "50 square units"], "question": "What is the area of a rectangle with length 10 and width 4?", "correct_answer": "40 square units"}]