[{"id": 1, "type": "multiple_choice", "options": ["28:6", "11:10", "28:24", "7:24"], "question": "If the ratio is 7:6, what is the equivalent ratio when multiplied by 4?", "correct_answer": "28:24"}, {"id": 2, "type": "multiple_choice", "options": ["20:10", "4:10", "9:7", "20:2"], "question": "If the ratio is 4:2, what is the equivalent ratio when multiplied by 5?", "correct_answer": "20:10"}, {"id": 3, "type": "short_answer", "question": "Evaluate: 7 + (-9)", "correct_answer": "-2"}, {"id": 4, "type": "multiple_choice", "options": ["10:3", "5:6", "7:5", "10:6"], "question": "If the ratio is 5:3, what is the equivalent ratio when multiplied by 2?", "correct_answer": "10:6"}, {"id": 5, "type": "multiple_choice", "options": ["75 square units", "19 square units", "70 square units", "38 square units"], "question": "What is the area of a rectangle with length 5 and width 14?", "correct_answer": "70 square units"}]