{
  "title": "Variables and Constants (Algebra Introduction) - Grade 5 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "Which is a variable? 🍎 or 5?",
      "options": { "A": "🍎", "B": "5", "C": "Both", "D": "Neither" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Which is a constant? 7 or 🦋?",
      "options": { "A": "7", "B": "🦋", "C": "Both", "D": "Neither" },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "In 3 + ⭐, what is ⭐?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "In 5 × 2, what is 5?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "Which represents a variable?",
      "options": { "A": "8", "B": "🍭", "C": "10", "D": "15" },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Which represents a constant?",
      "options": { "A": "🎈", "B": "x", "C": "12", "D": "y" },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "In 🐱 + 4, what is 4?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "In 6 - 🌼, what is 🌼?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "Which can change value? 🍦 or 9?",
      "options": { "A": "🍦", "B": "9", "C": "Both", "D": "Neither" },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Which has fixed value? ⚽ or 20?",
      "options": { "A": "⚽", "B": "20", "C": "Both", "D": "Neither" },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "In 🚗 × 3, what is 🚗?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "In 8 ÷ 🎁, what is 8?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Which is NOT a constant?",
      "options": { "A": "25", "B": "🦁", "C": "100", "D": "1" },
      "correct_answer": "B"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Which is NOT a variable?",
      "options": { "A": "🍪", "B": "a", "C": "50", "D": "b" },
      "correct_answer": "C"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "In 🐝 + 🐝, what are the 🐝 symbols?",
      "options": {
        "A": "Variables",
        "B": "Constants",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "In 5 + 5, what are the 5s?",
      "options": {
        "A": "Variables",
        "B": "Constants",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "Which can represent different numbers?",
      "options": { "A": "🎵", "B": "30", "C": "45", "D": "60" },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Which always means the same number?",
      "options": { "A": "🏀", "B": "n", "C": "75", "D": "m" },
      "correct_answer": "C"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "In 🍓 × 2, what is 2?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "In 10 - 🐼, what is 🐼?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "A"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "In 3 × 🍎 + 5, how many variables?",
      "options": { "A": "0", "B": "1", "C": "2", "D": "3" },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "In 🦋 + 🦋 + 2, how many constants?",
      "options": { "A": "0", "B": "1", "C": "2", "D": "3" },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "In ⭐ × 4 - 3, what is 4?",
      "options": {
        "A": "Variable",
        "B": "Constant",
        "C": "Coefficient",
        "D": "Both B & C"
      },
      "correct_answer": "D"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Identify ALL constants in: 2 × 🐶 + 7 - 3",
      "options": {
        "A": "2, 7, 3",
        "B": "🐶 only",
        "C": "2 only",
        "D": "7 only"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Identify ALL variables in: 🍭 + 🍭 + 🍭 + 5",
      "options": {
        "A": "🍭 only",
        "B": "5 only",
        "C": "🍭 and 5",
        "D": "None"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "In 3 × 🎈 + 2 × 🎈 - 4, how many different variables?",
      "options": { "A": "0", "B": "1", "C": "2", "D": "3" },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "In 🐱 + 3 × 🐱 + 8, how many constants?",
      "options": {
        "A": "0",
        "B": "1",
        "C": "2",
        "D": "3"
      },
      "correct_answer": "C"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Which part of 5 × 🌼 - 2 is constant?",
      "options": { "A": "5", "B": "🌼", "C": "2", "D": "Both A & C" },
      "correct_answer": "D"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "In 🍦 ÷ 2 + 6, what are the constants?",
      "options": {
        "A": "2 only",
        "B": "6 only",
        "C": "2 and 6",
        "D": "🍦 only"
      },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "In ⚽ × 3 + ⚽ - 1, how many variable terms?",
      "options": { "A": "0", "B": "1", "C": "2", "D": "3" },
      "correct_answer": "C"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Which expression has 2 constants? 🚗 + 4 or 🎁 + 🎁?",
      "options": {
        "A": "🚗 + 4",
        "B": "🎁 + 🎁",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "D"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "In 2 × 🦁 + 3 × 🦁 + 5, what is the coefficient of 🦁?",
      "options": { "A": "2", "B": "3", "C": "5", "D": "2 and 3" },
      "correct_answer": "D"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "Identify variables in: 4 + 🍪 + 🍪 + 2",
      "options": {
        "A": "4 only",
        "B": "🍪 only",
        "C": "4 and 2",
        "D": "🍪 and 🍪"
      },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Which is NOT constant in: 3 × 🐝 + 2 × 5?",
      "options": { "A": "3", "B": "🐝", "C": "2", "D": "5" },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "In 🎵 × 4 ÷ 2 + 3, constants are:",
      "options": {
        "A": "4, 2, 3",
        "B": "🎵 only",
        "C": "4 only",
        "D": "2 only"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "How many different constants in: 2 × 🏀 + 3 - 1 + 4?",
      "options": { "A": "1", "B": "2", "C": "3", "D": "4" },
      "correct_answer": "D"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "In 🍓 + 🍓 + 🍓 + 6, what represents same variable?",
      "options": { "A": "All 🍓", "B": "6", "C": "🍓 and 6", "D": "None" },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Which expression has NO constants? 🐼 + 2 or 🌈 + 🌈?",
      "options": { "A": "🐼 + 2", "B": "🌈 + 🌈", "C": "Both", "D": "Neither" },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "In 5 × a + 3 × b + 7, how many different variables?",
      "options": { "A": "0", "B": "1", "C": "2", "D": "3" },
      "correct_answer": "C"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Constants in x + y + 10 + 2 are:",
      "options": {
        "A": "x and y",
        "B": "10 only",
        "C": "2 only",
        "D": "10 and 2"
      },
      "correct_answer": "D"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "In 2 × (🍎 + 3) + 5, constants are:",
      "options": {
        "A": "2 only",
        "B": "3 only",
        "C": "5 only",
        "D": "2, 3, and 5"
      },
      "correct_answer": "D"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Variables in: 3 × (🦋 + 2) + 🦋 are:",
      "options": {
        "A": "3 only",
        "B": "🦋 only",
        "C": "2 only",
        "D": "3 and 2"
      },
      "correct_answer": "B"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "In (⭐ + 4) × 2 + ⭐, how many variable terms?",
      "options": { "A": "1", "B": "2", "C": "3", "D": "4" },
      "correct_answer": "B"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Constants in: 2 × 🐶 + 3 × (🐶 + 1) + 4 are:",
      "options": {
        "A": "2, 3, 4",
        "B": "2, 3, 1, 4",
        "C": "🐶 only",
        "D": "None"
      },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "Which part of 3 × (🍭 - 2) + 5 × 🍭 is constant?",
      "options": { "A": "3", "B": "2", "C": "5", "D": "All except 🍭" },
      "correct_answer": "D"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "In 🎈 × (2 + 3) + 4 × 🎈, coefficients are:",
      "options": {
        "A": "2 and 3",
        "B": "4 only",
        "C": "5 and 4",
        "D": "🎈 only"
      },
      "correct_answer": "C"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Variables in: 🐱 + 2 × (🐱 + 3) + 5 are:",
      "options": {
        "A": "🐱 only",
        "B": "2 only",
        "C": "3 only",
        "D": "5 only"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "In (🌼 + 2) × 3 + (🌼 - 1) × 2, constants are:",
      "options": {
        "A": "2, 3, 1",
        "B": "🌼 only",
        "C": "3 and 2",
        "D": "2 only"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Which has more constants? 2×(🍦+3)+1 or 3×🍦+5?",
      "options": { "A": "First", "B": "Second", "C": "Same", "D": "Neither" },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "In ⚽ × 4 + (⚽ + 2) × 3, coefficient of ⚽ is:",
      "options": { "A": "4", "B": "3", "C": "4 and 3", "D": "7" },
      "correct_answer": "D"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Constants in: 3 × (🚗 + 1) + 2 × (🚗 + 4) are:",
      "options": {
        "A": "3, 1, 2, 4",
        "B": "🚗 only",
        "C": "3 and 2",
        "D": "1 and 4"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "In 🎁 ÷ 2 + 3 × (🎁 + 1), variables appear:",
      "options": {
        "A": "1 time",
        "B": "2 times",
        "C": "3 times",
        "D": "4 times"
      },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "Which expression has 3 different constants?",
      "options": {
        "A": "2×🦁+3",
        "B": "(🦁+1)×4+2",
        "C": "3×🦁+🦁",
        "D": "🦁+🦁+🦁"
      },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "In 🍪 × 2 + (🍪 + 3) × 4 + 1, total constants:",
      "options": { "A": "2", "B": "3", "C": "4", "D": "5" },
      "correct_answer": "C"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Variables in: 2 × (🐝 + 🐝) + 3 × 🐝 are:",
      "options": { "A": "Different", "B": "Same", "C": "Mixed", "D": "None" },
      "correct_answer": "B"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "In 🎵 + 2 × (🎵 ÷ 2) + 3, constants are:",
      "options": {
        "A": "2 and 3",
        "B": "🎵 only",
        "C": "2 only",
        "D": "3 only"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "Which has both variable and constant coefficients?",
      "options": {
        "A": "2×🏀+3",
        "B": "🏀×🏀+2×🏀",
        "C": "3+4",
        "D": "🏀 only"
      },
      "correct_answer": "B"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "In (🍓 + 2) × 3 + (🍓 × 4), total coefficient of 🍓:",
      "options": { "A": "3", "B": "4", "C": "7", "D": "2" },
      "correct_answer": "C"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Constants in: 2 × (🐼 + 3) + 4 × (🐼 - 1) + 5:",
      "options": {
        "A": "2, 3, 4, 1, 5",
        "B": "🐼 only",
        "C": "2 and 4",
        "D": "3 and 1"
      },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "In 🌈 × 3 + (🌈 + 2) ÷ 2, variables appear as:",
      "options": {
        "A": "Terms only",
        "B": "Factors only",
        "C": "Both",
        "D": "Neither"
      },
      "correct_answer": "C"
    }
  ]
}