[
  {
    "Question": "What is the value of (-7) + 12?",
    "Answer": "B",
    "Explanation": "Adding a negative number to a positive number is equivalent to subtracting the absolute value of the negative number from the positive number. So, (-7) + 12 = 12 - 7 = 5.",
    "PictureURL": "",
    "OptionA": "19",
    "OptionB": "5",
    "OptionC": "-19",
    "OptionD": "-5",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Integer Addition",
    "Item": 1,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/integers"
  },
  {
    "Question": "Simplify the fraction 18/24 to its lowest terms.",
    "Answer": "C",
    "Explanation": "The greatest common divisor (GCD) of 18 and 24 is 6. Dividing numerator and denominator by 6 gives 3/4.",
    "PictureURL": "",
    "OptionA": "6/8",
    "OptionB": "9/12",
    "OptionC": "3/4",
    "OptionD": "2/3",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Fraction Simplification",
    "Item": 2,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/fractions"
  },
  {
    "Question": "If the ratio of cats to dogs is 3:5, how many cats are there if there are 20 dogs?",
    "Answer": "A",
    "Explanation": "The ratio 3:5 means for every 5 dogs, there are 3 cats. If dogs = 20, then cats = (3/5) × 20 = 12.",
    "PictureURL": "",
    "OptionA": "12",
    "OptionB": "15",
    "OptionC": "8",
    "OptionD": "25",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Ratio Problem",
    "Item": 3,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/ratios"
  },
  {
    "Question": "What is 25% of 160?",
    "Answer": "B",
    "Explanation": "25% means 25 per 100 or 0.25. Multiply 0.25 × 160 = 40.",
    "PictureURL": "",
    "OptionA": "25",
    "OptionB": "40",
    "OptionC": "60",
    "OptionD": "80",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Percentage Calculation",
    "Item": 4,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/percentages"
  },
  {
    "Question": "Calculate 3^4 (3 raised to the power of 4).",
    "Answer": "C",
    "Explanation": "3^4 means 3 × 3 × 3 × 3 = 81.",
    "PictureURL": "",
    "OptionA": "12",
    "OptionB": "27",
    "OptionC": "81",
    "OptionD": "64",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Exponentiation",
    "Item": 5,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/exponents"
  },
  {
    "Question": "What is the square root of 144?",
    "Answer": "A",
    "Explanation": "The square root of 144 is the number that when multiplied by itself gives 144. That number is 12.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Square_root_symbol.svg/120px-Square_root_symbol.svg.png",
    "OptionA": "12",
    "OptionB": "14",
    "OptionC": "16",
    "OptionD": "18",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Square Root",
    "Item": 6,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/roots"
  },
  {
    "Question": "Evaluate: (-4) × (-6) + 5",
    "Answer": "D",
    "Explanation": "Multiplying two negative numbers gives a positive number: (-4) × (-6) = 24. Then add 5: 24 + 5 = 29.",
    "PictureURL": "",
    "OptionA": "-29",
    "OptionB": "-19",
    "OptionC": "19",
    "OptionD": "29",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Integer Multiplication and Addition",
    "Item": 7,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/integers"
  },
  {
    "Question": "Convert the fraction 7/8 to a decimal.",
    "Answer": "B",
    "Explanation": "Divide numerator by denominator: 7 ÷ 8 = 0.875.",
    "PictureURL": "",
    "OptionA": "0.78",
    "OptionB": "0.875",
    "OptionC": "0.87",
    "OptionD": "0.85",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Fraction to Decimal",
    "Item": 8,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/fractions"
  },
  {
    "Question": "If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how much sugar is needed if you use 8 cups of flour?",
    "Answer": "D",
    "Explanation": "The ratio is 2:3. For 8 cups flour, sugar = (3/2) × 8 = 12 cups.",
    "PictureURL": "",
    "OptionA": "10 cups",
    "OptionB": "11 cups",
    "OptionC": "8 cups",
    "OptionD": "12 cups",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Ratio Application",
    "Item": 9,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/ratios"
  },
  {
    "Question": "What is 15% of 200?",
    "Answer": "C",
    "Explanation": "15% = 0.15. Multiply 0.15 × 200 = 30.",
    "PictureURL": "",
    "OptionA": "20",
    "OptionB": "25",
    "OptionC": "30",
    "OptionD": "35",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Percentage Calculation",
    "Item": 10,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/percentages"
  },
  {
    "Question": "Simplify: (2^3) × (2^4)",
    "Answer": "B",
    "Explanation": "When multiplying powers with the same base, add the exponents: 3 + 4 = 7, so 2^7 = 128.",
    "PictureURL": "",
    "OptionA": "64",
    "OptionB": "128",
    "OptionC": "256",
    "OptionD": "512",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Exponent Rules",
    "Item": 11,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/exponents"
  },
  {
    "Question": "What is the cube root of 27?",
    "Answer": "A",
    "Explanation": "The cube root of 27 is the number which when multiplied by itself three times equals 27. That number is 3.",
    "PictureURL": "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Cube_root_symbol.svg/120px-Cube_root_symbol.svg.png",
    "OptionA": "3",
    "OptionB": "9",
    "OptionC": "6",
    "OptionD": "27",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Cube Root",
    "Item": 12,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/roots"
  },
  {
    "Question": "Evaluate: 5 - (-3) + 2",
    "Answer": "C",
    "Explanation": "Subtracting a negative is the same as adding a positive: 5 - (-3) = 5 + 3 = 8. Then add 2: 8 + 2 = 10.",
    "PictureURL": "",
    "OptionA": "0",
    "OptionB": "5",
    "OptionC": "10",
    "OptionD": "6",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Integer Addition and Subtraction",
    "Item": 13,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/integers"
  },
  {
    "Question": "Convert the decimal 0.6 to a fraction in simplest form.",
    "Answer": "B",
    "Explanation": "0.6 = 6/10, which simplifies to 3/5 by dividing numerator and denominator by 2.",
    "PictureURL": "",
    "OptionA": "6/5",
    "OptionB": "3/5",
    "OptionC": "1/6",
    "OptionD": "2/3",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Decimal to Fraction",
    "Item": 14,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/fractions"
  },
  {
    "Question": "If a number is increased by 20% and the result is 72, what was the original number?",
    "Answer": "D",
    "Explanation": "Let the original number be x. Increasing by 20% means multiplying by 1.20: 1.20 × x = 72. So, x = 72 ÷ 1.20 = 60.",
    "PictureURL": "",
    "OptionA": "54",
    "OptionB": "70",
    "OptionC": "75",
    "OptionD": "60",
    "OptionE": "",
    "OptionF": "",
    "OptionG": "",
    "TestName": "Pre-Algebra Practice Test",
    "Content Type": "multiple choice",
    "Title": "Percentage Increase",
    "Item": 15,
    "Type": "multiple choice",
    "Path": "Math/pre-algebra/percentages"
  }
]