{
  "title": "Sample Custom Quiz",
  "exam": "GRE",
  "section": "Quantitative Comparison",
  "description": "A short example showing the JSON format, including math and diagrams.",
  "timeLimit": 10,
  "questions": [
    {
      "prompt": "If $x + 4 = 9$, what is $x$?",
      "choices": ["3", "5", "9", "13"],
      "answer": "B",
      "explanation": "$x + 4 = 9$ means $x = 5$."
    },
    {
      "type": "numeric",
      "prompt": "Numeric entry: If $4x - 9 = 23$, what is $x$?",
      "choices": [],
      "answer": "8",
      "tolerance": 0.001,
      "explanation": "$4x = 32$, so $x = 8$."
    },
    {
      "prompt": "In the right triangle shown, what is the hypotenuse $c$?",
      "image": "https://upload.wikimedia.org/wikipedia/commons/d/d2/Pythagorean.svg",
      "imageAlt": "Right triangle with legs 3 and 4",
      "choices": [
        { "id": "A", "text": "$5$" },
        { "id": "B", "text": "$6$" },
        { "id": "C", "text": "$7$" },
        { "id": "D", "text": "$25$" }
      ],
      "answer": "A",
      "explanation": "$c=\\sqrt{3^2+4^2}=5$. Math is written with $...$ (inline) or $$...$$ (block)."
    },
    {
      "passage": "Paste any reading passage here. It appears above the question so several questions can share one passage.",
      "prompt": "A question that refers to the passage above.",
      "choices": ["Option one", "Option two", "Option three", "Option four"],
      "answer": 1,
      "explanation": "The 'answer' may be a letter (A), the option text, or its number (1)."
    }
  ]
}