{
  "title": "Algebraic Identities - Grade 9 ICSE",
  "total_questions": 60,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "Expand: (x + 2)² 📏", "options": {"A": "x² + 4x + 4", "B": "x² + 4", "C": "x² + 2x + 4", "D": "x² + 2x + 2"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "Expand: (y + 3)² 🌟", "options": {"A": "y² + 6y + 9", "B": "y² + 9", "C": "y² + 3y + 9", "D": "y² + 3y + 3"}, "correct_answer": "A"},
    {"id": 3, "difficulty": "easy", "question": "Expand: (a + 4)² 🧮", "options": {"A": "a² + 8a + 16", "B": "a² + 16", "C": "a² + 4a + 16", "D": "a² + 4a + 4"}, "correct_answer": "A"},
    {"id": 4, "difficulty": "easy", "question": "Expand: (b + 5)² ✨", "options": {"A": "b² + 10b + 25", "B": "b² + 25", "C": "b² + 5b + 25", "D": "b² + 5b + 5"}, "correct_answer": "A"},
    {"id": 5, "difficulty": "easy", "question": "Expand: (m + 6)² 🎯", "options": {"A": "m² + 12m + 36", "B": "m² + 36", "C": "m² + 6m + 36", "D": "m² + 6m + 6"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "Expand: (n + 7)² 🔢", "options": {"A": "n² + 14n + 49", "B": "n² + 49", "C": "n² + 7n + 49", "D": "n² + 7n + 7"}, "correct_answer": "A"},
    {"id": 7, "difficulty": "easy", "question": "Expand: (p + 8)² 🌈", "options": {"A": "p² + 16p + 64", "B": "p² + 64", "C": "p² + 8p + 64", "D": "p² + 8p + 8"}, "correct_answer": "A"},
    {"id": 8, "difficulty": "easy", "question": "Expand: (q + 9)² 🧠", "options": {"A": "q² + 18q + 81", "B": "q² + 81", "C": "q² + 9q + 81", "D": "q² + 9q + 9"}, "correct_answer": "A"},
    {"id": 9, "difficulty": "easy", "question": "Expand: (r + 10)² 📐", "options": {"A": "r² + 20r + 100", "B": "r² + 100", "C": "r² + 10r + 100", "D": "r² + 10r + 10"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "Expand: (s + 1)² 🎲", "options": {"A": "s² + 2s + 1", "B": "s² + 1", "C": "s² + s + 1", "D": "s² + s + s"}, "correct_answer": "A"},
    {"id": 11, "difficulty": "easy", "question": "Expand: (x - 2)² 🧩", "options": {"A": "x² - 4x + 4", "B": "x² - 4", "C": "x² - 2x + 4", "D": "x² - 2x + 2"}, "correct_answer": "A"},
    {"id": 12, "difficulty": "easy", "question": "Expand: (y - 3)² 🌟", "options": {"A": "y² - 6y + 9", "B": "y² - 9", "C": "y² - 3y + 9", "D": "y² - 3y + 3"}, "correct_answer": "A"},
    {"id": 13, "difficulty": "easy", "question": "Expand: (a - 4)² 🧮", "options": {"A": "a² - 8a + 16", "B": "a² - 16", "C": "a² - 4a + 16", "D": "a² - 4a + 4"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "Expand: (b - 5)² ✨", "options": {"A": "b² - 10b + 25", "B": "b² - 25", "C": "b² - 5b + 25", "D": "b² - 5b + 5"}, "correct_answer": "A"},
    {"id": 15, "difficulty": "easy", "question": "Expand: (m - 6)² 🎯", "options": {"A": "m² - 12m + 36", "B": "m² - 36", "C": "m² - 6m + 36", "D": "m² - 6m + 6"}, "correct_answer": "A"},
    {"id": 16, "difficulty": "easy", "question": "Expand: (n - 7)² 🔢", "options": {"A": "n² - 14n + 49", "B": "n² - 49", "C": "n² - 7n + 49", "D": "n² - 7n + 7"}, "correct_answer": "A"},
    {"id": 17, "difficulty": "easy", "question": "Expand: (p - 8)² 🌈", "options": {"A": "p² - 16p + 64", "B": "p² - 64", "C": "p² - 8p + 64", "D": "p² - 8p + 8"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "Expand: (q - 9)² 🧠", "options": {"A": "q² - 18q + 81", "B": "q² - 81", "C": "q² - 9q + 81", "D": "q² - 9q + 9"}, "correct_answer": "A"},
    {"id": 19, "difficulty": "easy", "question": "Expand: (r - 10)² 📐", "options": {"A": "r² - 20r + 100", "B": "r² - 100", "C": "r² - 10r + 100", "D": "r² - 10r + 10"}, "correct_answer": "A"},
    {"id": 20, "difficulty": "easy", "question": "Expand: (s - 1)² 🎲", "options": {"A": "s² - 2s + 1", "B": "s² - 1", "C": "s² - s + 1", "D": "s² - s - 1"}, "correct_answer": "A"},
    {"id": 21, "difficulty": "medium", "question": "Expand: (2x + 3)² 🧩", "options": {"A": "4x² + 12x + 9", "B": "4x² + 9", "C": "4x² + 6x + 9", "D": "2x² + 12x + 9"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "Expand: (3y + 4)² 🌟", "options": {"A": "9y² + 24y + 16", "B": "9y² + 16", "C": "9y² + 12y + 16", "D": "3y² + 24y + 16"}, "correct_answer": "A"},
    {"id": 23, "difficulty": "medium", "question": "Expand: (4a + 5)² 🧮", "options": {"A": "16a² + 40a + 25", "B": "16a² + 25", "C": "16a² + 20a + 25", "D": "4a² + 40a + 25"}, "correct_answer": "A"},
    {"id": 24, "difficulty": "medium", "question": "Expand: (5b + 6)² ✨", "options": {"A": "25b² + 60b + 36", "B": "25b² + 36", "C": "25b² + 30b + 36", "D": "5b² + 60b + 36"}, "correct_answer": "A"},
    {"id": 25, "difficulty": "medium", "question": "Expand: (6m + 7)² 🎯", "options": {"A": "36m² + 84m + 49", "B": "36m² + 49", "C": "36m² + 42m + 49", "D": "6m² + 84m + 49"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "Expand: (7n + 8)² 🔢", "options": {"A": "49n² + 112n + 64", "B": "49n² + 64", "C": "49n² + 56n + 64", "D": "7n² + 112n + 64"}, "correct_answer": "A"},
    {"id": 27, "difficulty": "medium", "question": "Expand: (8p + 9)² 🌈", "options": {"A": "64p² + 144p + 81", "B": "64p² + 81", "C": "64p² + 72p + 81", "D": "8p² + 144p + 81"}, "correct_answer": "A"},
    {"id": 28, "difficulty": "medium", "question": "Expand: (9q + 10)² 🧠", "options": {"A": "81q² + 180q + 100", "B": "81q² + 100", "C": "81q² + 90q + 100", "D": "9q² + 180q + 100"}, "correct_answer": "A"},
    {"id": 29, "difficulty": "medium", "question": "Expand: (10r + 11)² 📐", "options": {"A": "100r² + 220r + 121", "B": "100r² + 121", "C": "100r² + 110r + 121", "D": "10r² + 220r + 121"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "Expand: (11s + 12)² 🎲", "options": {"A": "121s² + 264s + 144", "B": "121s² + 144", "C": "121s² + 132s + 144", "D": "11s² + 264s + 144"}, "correct_answer": "A"},
    {"id": 31, "difficulty": "medium", "question": "Expand: (2x - 3)² 🧩", "options": {"A": "4x² - 12x + 9", "B": "4x² - 9", "C": "4x² - 6x + 9", "D": "2x² - 12x + 9"}, "correct_answer": "A"},
    {"id": 32, "difficulty": "medium", "question": "Expand: (3y - 4)² 🌟", "options": {"A": "9y² - 24y + 16", "B": "9y² - 16", "C": "9y² - 12y + 16", "D": "3y² - 24y + 16"}, "correct_answer": "A"},
    {"id": 33, "difficulty": "medium", "question": "Expand: (4a - 5)² 🧮", "options": {"A": "16a² - 40a + 25", "B": "16a² - 25", "C": "16a² - 20a + 25", "D": "4a² - 40a + 25"}, "correct_answer": "A"},
    {"id": 34, "difficulty": "medium", "question": "Expand: (5b - 6)² ✨", "options": {"A": "25b² - 60b + 36", "B": "25b² - 36", "C": "25b² - 30b + 36", "D": "5b² - 60b + 36"}, "correct_answer": "A"},
    {"id": 35, "difficulty": "medium", "question": "Expand: (6m - 7)² 🎯", "options": {"A": "36m² - 84m + 49", "B": "36m² - 49", "C": "36m² - 42m + 49", "D": "6m² - 84m + 49"}, "correct_answer": "A"},
    {"id": 36, "difficulty": "medium", "question": "Expand: (7n - 8)² 🔢", "options": {"A": "49n² - 112n + 64", "B": "49n² - 64", "C": "49n² - 56n + 64", "D": "7n² - 112n + 64"}, "correct_answer": "A"},
    {"id": 37, "difficulty": "medium", "question": "Expand: (8p - 9)² 🌈", "options": {"A": "64p² - 144p + 81", "B": "64p² - 81", "C": "64p² - 72p + 81", "D": "8p² - 144p + 81"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "Expand: (9q - 10)² 🧠", "options": {"A": "81q² - 180q + 100", "B": "81q² - 100", "C": "81q² - 90q + 100", "D": "9q² - 180q + 100"}, "correct_answer": "A"},
    {"id": 39, "difficulty": "medium", "question": "Expand: (10r - 11)² 📐", "options": {"A": "100r² - 220r + 121", "B": "100r² - 121", "C": "100r² - 110r + 121", "D": "10r² - 220r + 121"}, "correct_answer": "A"},
    {"id": 40, "difficulty": "medium", "question": "Expand: (11s - 12)² 🎲", "options": {"A": "121s² - 264s + 144", "B": "121s² - 144", "C": "121s² - 132s + 144", "D": "11s² - 264s + 144"}, "correct_answer": "A"},
    {"id": 41, "difficulty": "hard", "question": "Expand: (x + y)² 🧩", "options": {"A": "x² + 2xy + y²", "B": "x² + y²", "C": "x² + xy + y²", "D": "x² + 2x + y²"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "Expand: (a + b)² 🌟", "options": {"A": "a² + 2ab + b²", "B": "a² + b²", "C": "a² + ab + b²", "D": "a² + 2a + b²"}, "correct_answer": "A"},
    {"id": 43, "difficulty": "hard", "question": "Expand: (m + n)² 🧮", "options": {"A": "m² + 2mn + n²", "B": "m² + n²", "C": "m² + mn + n²", "D": "m² + 2m + n²"}, "correct_answer": "A"},
    {"id": 44, "difficulty": "hard", "question": "Expand: (p + q)² ✨", "options": {"A": "p² + 2pq + q²", "B": "p² + q²", "C": "p² + pq + q²", "D": "p² + 2p + q²"}, "correct_answer": "A"},
    {"id": 45, "difficulty": "hard", "question": "Expand: (r + s)² 🎯", "options": {"A": "r² + 2rs + s²", "B": "r² + s²", "C": "r² + rs + s²", "D": "r² + 2r + s²"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "Expand: (x - y)² 🔢", "options": {"A": "x² - 2xy + y²", "B": "x² - y²", "C": "x² - xy + y²", "D": "x² - 2x + y²"}, "correct_answer": "A"},
    {"id": 47, "difficulty": "hard", "question": "Expand: (a - b)² 🌈", "options": {"A": "a² - 2ab + b²", "B": "a² - b²", "C": "a² - ab + b²", "D": "a² - 2a + b²"}, "correct_answer": "A"},
    {"id": 48, "difficulty": "hard", "question": "Expand: (m - n)² 🧠", "options": {"A": "m² - 2mn + n²", "B": "m² - n²", "C": "m² - mn + n²", "D": "m² - 2m + n²"}, "correct_answer": "A"},
    {"id": 49, "difficulty": "hard", "question": "Expand: (p - q)² 📐", "options": {"A": "p² - 2pq + q²", "B": "p² - q²", "C": "p² - pq + q²", "D": "p² - 2p + q²"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "Expand: (r - s)² 🎲", "options": {"A": "r² - 2rs + s²", "B": "r² - s²", "C": "r² - rs + s²", "D": "r² - 2r + s²"}, "correct_answer": "A"},
    {"id": 51, "difficulty": "hard", "question": "Expand: (x + 2)(x - 2) 🧩", "options": {"A": "x² - 4", "B": "x² - 2", "C": "x² + 4", "D": "x² + 2x - 4"}, "correct_answer": "A"},
    {"id": 52, "difficulty": "hard", "question": "Expand: (y + 3)(y - 3) 🌟", "options": {"A": "y² - 9", "B": "y² - 3", "C": "y² + 9", "D": "y² + 3y - 9"}, "correct_answer": "A"},
    {"id": 53, "difficulty": "hard", "question": "Expand: (a + 4)(a - 4) 🧮", "options": {"A": "a² - 16", "B": "a² - 4", "C": "a² + 16", "D": "a² + 4a - 16"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "hard", "question": "Expand: (b + 5)(b - 5) ✨", "options": {"A": "b² - 25", "B": "b² - 5", "C": "b² + 25", "D": "b² + 5b - 25"}, "correct_answer": "A"},
    {"id": 55, "difficulty": "hard", "question": "Expand: (m + 6)(m - 6) 🎯", "options": {"A": "m² - 36", "B": "m² - 6", "C": "m² + 36", "D": "m² + 6m - 36"}, "correct_answer": "A"},
    {"id": 56, "difficulty": "hard", "question": "Expand: (n + 7)(n - 7) 🔢", "options": {"A": "n² - 49", "B": "n² - 7", "C": "n² + 49", "D": "n² + 7n - 49"}, "correct_answer": "A"},
    {"id": 57, "difficulty": "hard", "question": "Expand: (p + 8)(p - 8) 🌈", "options": {"A": "p² - 64", "B": "p² - 8", "C": "p² + 64", "D": "p² + 8p - 64"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "Expand: (q + 9)(q - 9) 🧠", "options": {"A": "q² - 81", "B": "q² - 9", "C": "q² + 81", "D": "q² + 9q - 81"}, "correct_answer": "A"},
    {"id": 59, "difficulty": "hard", "question": "Expand: (r + 10)(r - 10) 📐", "options": {"A": "r² - 100", "B": "r² - 10", "C": "r² + 100", "D": "r² + 10r - 100"}, "correct_answer": "A"},
    {"id": 60, "difficulty": "hard", "question": "Expand: (s + 1)(s - 1) 🎲", "options": {"A": "s² - 1", "B": "s² - s", "C": "s² + 1", "D": "s² + s - 1"}, "correct_answer": "A"}
  ]
}