[{"id": 1, "type": "true_false", "question": "The square root of 144 is 12.", "correct_answer": "True"}, {"id": 2, "type": "multiple_choice", "options": ["12:10", "6:10", "8:7", "12:5"], "question": "If the ratio is 6:5, what is the equivalent ratio when multiplied by 2?", "correct_answer": "12:10"}, {"id": 3, "type": "multiple_choice", "options": ["7 square units", "14 square units", "10 square units", "12 square units"], "question": "What is the area of a rectangle with length 2 and width 5?", "correct_answer": "10 square units"}, {"id": 4, "type": "multiple_choice", "options": ["24:5", "8:15", "24:15", "11:8"], "question": "If the ratio is 8:5, what is the equivalent ratio when multiplied by 3?", "correct_answer": "24:15"}, {"id": 5, "type": "short_answer", "question": "What is 90% of 70?", "correct_answer": "63"}]