{
  "title": "Word Problems (Expansions) - Grade 9 ICSE",
  "total_questions": 60,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "The length of a rectangle is (x + 3) cm and width is (x + 2) cm. What is its area? 📏", "options": {"A": "x² + 5x + 6", "B": "x² + 6x + 5", "C": "2x + 5", "D": "x² + 6"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "A square has side length (y + 4) cm. What is its area? 🟨", "options": {"A": "y² + 8y + 16", "B": "y² + 16", "C": "4y + 16", "D": "y² + 4y + 16"}, "correct_answer": "A"},
    {"id": 3, "difficulty": "easy", "question": "One number is (a + 5) and another is (a - 5). What is their product? ✖️", "options": {"A": "a² - 25", "B": "a² + 25", "C": "a² - 10", "D": "a² + 10"}, "correct_answer": "A"},
    {"id": 4, "difficulty": "easy", "question": "The sides of a rectangle are (m + 6) cm and (m + 1) cm. Find the area. 📐", "options": {"A": "m² + 7m + 6", "B": "m² + 6m + 6", "C": "2m + 7", "D": "m² + 7"}, "correct_answer": "A"},
    {"id": 5, "difficulty": "easy", "question": "A number is (n + 7). Its square is? 🔲", "options": {"A": "n² + 14n + 49", "B": "n² + 49", "C": "n² + 7n + 49", "D": "2n + 14"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "If p = (x + 2) and q = (x + 3), what is p × q? 🤔", "options": {"A": "x² + 5x + 6", "B": "x² + 6x + 6", "C": "2x + 5", "D": "x² + 6"}, "correct_answer": "A"},
    {"id": 7, "difficulty": "easy", "question": "The base of a triangle is (b + 4) cm and height is (b + 3) cm. Area = ½ × base × height. What is ½ of the expanded form? 📏", "options": {"A": "½(b² + 7b + 12)", "B": "b² + 7b + 12", "C": "½(b² + 12)", "D": "b + 7"}, "correct_answer": "A"},
    {"id": 8, "difficulty": "easy", "question": "(x + 8) multiplied by (x + 1) gives? 🧮", "options": {"A": "x² + 9x + 8", "B": "x² + 8x + 8", "C": "x² + 9", "D": "2x + 9"}, "correct_answer": "A"},
    {"id": 9, "difficulty": "easy", "question": "A garden's length is (y + 9) m, width is (y + 2) m. Area in m²? 🌳", "options": {"A": "y² + 11y + 18", "B": "y² + 18y + 11", "C": "y² + 9y + 18", "D": "y² + 11"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "(a + 10) and (a - 10) multiply to? ⚡", "options": {"A": "a² - 100", "B": "a² + 100", "C": "a² - 20", "D": "a² + 20"}, "correct_answer": "A"},
    {"id": 11, "difficulty": "easy", "question": "Side of square = (x + 6) cm. Perimeter = 4 × side. What is 4(x + 6)? 🔳", "options": {"A": "4x + 24", "B": "x² + 12x + 36", "C": "4x + 6", "D": "24x"}, "correct_answer": "A"},
    {"id": 12, "difficulty": "easy", "question": "Rectangle: length = (p + 7), width = (p + 4). Area? 📏", "options": {"A": "p² + 11p + 28", "B": "p² + 28p + 11", "C": "p² + 7p + 28", "D": "2p + 11"}, "correct_answer": "A"},
    {"id": 13, "difficulty": "easy", "question": "(n + 5)² = ? 🎯", "options": {"A": "n² + 10n + 25", "B": "n² + 25", "C": "n² + 5n + 25", "D": "2n + 10"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "(x + 3)(x + 4) = ? 🤝", "options": {"A": "x² + 7x + 12", "B": "x² + 12x + 7", "C": "x² + 7", "D": "2x + 12"}, "correct_answer": "A"},
    {"id": 15, "difficulty": "easy", "question": "(y + 6)(y + 5) = ? ✨", "options": {"A": "y² + 11y + 30", "B": "y² + 30y + 11", "C": "y² + 6y + 30", "D": "y² + 11"}, "correct_answer": "A"},
    {"id": 16, "difficulty": "easy", "question": "(a + 8)(a + 7) = ? 🧩", "options": {"A": "a² + 15a + 56", "B": "a² + 56a + 15", "C": "a² + 8a + 56", "D": "a² + 15"}, "correct_answer": "A"},
    {"id": 17, "difficulty": "easy", "question": "(m + 9)(m + 8) = ? 🌟", "options": {"A": "m² + 17m + 72", "B": "m² + 72m + 17", "C": "m² + 9m + 72", "D": "m² + 17"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "(b + 10)(b + 9) = ? 🔢", "options": {"A": "b² + 19b + 90", "B": "b² + 90b + 19", "C": "b² + 10b + 90", "D": "b² + 19"}, "correct_answer": "A"},
    {"id": 19, "difficulty": "easy", "question": "(x + 11)(x + 10) = ? 📐", "options": {"A": "x² + 21x + 110", "B": "x² + 110x + 21", "C": "x² + 11x + 110", "D": "x² + 21"}, "correct_answer": "A"},
    {"id": 20, "difficulty": "easy", "question": "(y + 12)(y + 11) = ? 🎲", "options": {"A": "y² + 23y + 132", "B": "y² + 132y + 23", "C": "y² + 12y + 132", "D": "y² + 23"}, "correct_answer": "A"},
    {"id": 21, "difficulty": "medium", "question": "A rectangle's length is (2x + 3) cm, width is (x + 2) cm. Find area. 📏", "options": {"A": "2x² + 7x + 6", "B": "2x² + 6x + 6", "C": "x² + 7x + 6", "D": "3x² + 7x + 6"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "Square side = (3y + 4) cm. Area? 🟨", "options": {"A": "9y² + 24y + 16", "B": "9y² + 16", "C": "3y² + 24y + 16", "D": "y² + 24y + 16"}, "correct_answer": "A"},
    {"id": 23, "difficulty": "medium", "question": "(2a + 5)(a + 3) = ? ✖️", "options": {"A": "2a² + 11a + 15", "B": "2a² + 15a + 11", "C": "a² + 11a + 15", "D": "2a² + 8a + 15"}, "correct_answer": "A"},
    {"id": 24, "difficulty": "medium", "question": "(3m + 2)(m + 4) = ? 🤔", "options": {"A": "3m² + 14m + 8", "B": "3m² + 8m + 14", "C": "m² + 14m + 8", "D": "3m² + 12m + 8"}, "correct_answer": "A"},
    {"id": 25, "difficulty": "medium", "question": "Length = (4n + 1), width = (n + 5). Area of rectangle? 📐", "options": {"A": "4n² + 21n + 5", "B": "4n² + 5n + 21", "C": "n² + 21n + 5", "D": "4n² + 20n + 5"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "(5p + 3)(p + 2) = ? 🔢", "options": {"A": "5p² + 13p + 6", "B": "5p² + 6p + 13", "C": "p² + 13p + 6", "D": "5p² + 10p + 6"}, "correct_answer": "A"},
    {"id": 27, "difficulty": "medium", "question": "(6q + 1)(q + 3) = ? 🌟", "options": {"A": "6q² + 19q + 3", "B": "6q² + 3q + 19", "C": "q² + 19q + 3", "D": "6q² + 18q + 3"}, "correct_answer": "A"},
    {"id": 28, "difficulty": "medium", "question": "A field is (7r + 2) m long and (r + 4) m wide. Area? 🌳", "options": {"A": "7r² + 30r + 8", "B": "7r² + 8r + 30", "C": "r² + 30r + 8", "D": "7r² + 28r + 8"}, "correct_answer": "A"},
    {"id": 29, "difficulty": "medium", "question": "(8s + 3)(s + 5) = ? 🧮", "options": {"A": "8s² + 43s + 15", "B": "8s² + 15s + 43", "C": "s² + 43s + 15", "D": "8s² + 40s + 15"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "(9t + 4)(t + 6) = ? 📏", "options": {"A": "9t² + 58t + 24", "B": "9t² + 24t + 58", "C": "t² + 58t + 24", "D": "9t² + 54t + 24"}, "correct_answer": "A"},
    {"id": 31, "difficulty": "medium", "question": "A box has length (x + 5), width (x + 3), height (x + 1). Volume = l × w × h. What is (x + 5)(x + 3)(x + 1)? 📦", "options": {"A": "x³ + 9x² + 23x + 15", "B": "x³ + 15x² + 23x + 9", "C": "x³ + 8x² + 15x + 15", "D": "x³ + 9x² + 15x + 15"}, "correct_answer": "A"},
    {"id": 32, "difficulty": "medium", "question": "(2x + 3)² = ? 🔲", "options": {"A": "4x² + 12x + 9", "B": "4x² + 9", "C": "2x² + 12x + 9", "D": "4x² + 6x + 9"}, "correct_answer": "A"},
    {"id": 33, "difficulty": "medium", "question": "(3y - 4)² = ? ✨", "options": {"A": "9y² - 24y + 16", "B": "9y² + 16", "C": "3y² - 24y + 16", "D": "9y² - 12y + 16"}, "correct_answer": "A"},
    {"id": 34, "difficulty": "medium", "question": "(4a + 5)(4a - 5) = ? ⚡", "options": {"A": "16a² - 25", "B": "16a² + 25", "C": "4a² - 25", "D": "16a² - 10"}, "correct_answer": "A"},
    {"id": 35, "difficulty": "medium", "question": "(5b - 6)(5b + 6) = ? 🤝", "options": {"A": "25b² - 36", "B": "25b² + 36", "C": "5b² - 36", "D": "25b² - 12"}, "correct_answer": "A"},
    {"id": 36, "difficulty": "medium", "question": "A square's side is (2m + 7). Its area? 🟨", "options": {"A": "4m² + 28m + 49", "B": "4m² + 49", "C": "2m² + 28m + 49", "D": "4m² + 14m + 49"}, "correct_answer": "A"},
    {"id": 37, "difficulty": "medium", "question": "(6n + 1)(6n - 1) = ? 🧩", "options": {"A": "36n² - 1", "B": "36n² + 1", "C": "6n² - 1", "D": "36n² - 12"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "(7p + 8)(7p - 8) = ? 🔢", "options": {"A": "49p² - 64", "B": "49p² + 64", "C": "7p² - 64", "D": "49p² - 16"}, "correct_answer": "A"},
    {"id": 39, "difficulty": "medium", "question": "If (x + 9) and (x - 9) are multiplied, result is? 📐", "options": {"A": "x² - 81", "B": "x² + 81", "C": "x² - 18", "D": "x² + 18"}, "correct_answer": "A"},
    {"id": 40, "difficulty": "medium", "question": "(10q + 11)(10q - 11) = ? 🎲", "options": {"A": "100q² - 121", "B": "100q² + 121", "C": "10q² - 121", "D": "100q² - 22"}, "correct_answer": "A"},
    {"id": 41, "difficulty": "hard", "question": "A cuboid dimensions: (x+2), (x+3), (x+4). Volume = ? 📦", "options": {"A": "x³ + 9x² + 26x + 24", "B": "x³ + 24x² + 26x + 9", "C": "x³ + 6x² + 11x + 24", "D": "x³ + 9x² + 24x + 24"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "(2x + 3y)² = ? 🌟", "options": {"A": "4x² + 12xy + 9y²", "B": "4x² + 9y²", "C": "2x² + 12xy + 3y²", "D": "4x² + 6xy + 9y²"}, "correct_answer": "A"},
    {"id": 43, "difficulty": "hard", "question": "(3a - 4b)² = ? ✨", "options": {"A": "9a² - 24ab + 16b²", "B": "9a² + 16b²", "C": "3a² - 24ab + 4b²", "D": "9a² - 12ab + 16b²"}, "correct_answer": "A"},
    {"id": 44, "difficulty": "hard", "question": "(5m + 6n)(5m - 6n) = ? ⚡", "options": {"A": "25m² - 36n²", "B": "25m² + 36n²", "C": "5m² - 36n²", "D": "25m² - 12n²"}, "correct_answer": "A"},
    {"id": 45, "difficulty": "hard", "question": "(x+y)² + (x-y)² = ? 🧠", "options": {"A": "2x² + 2y²", "B": "2x²", "C": "x² + y²", "D": "4xy"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "(x+y)² - (x-y)² = ? 🤔", "options": {"A": "4xy", "B": "2x² + 2y²", "C": "0", "D": "2xy"}, "correct_answer": "A"},
    {"id": 47, "difficulty": "hard", "question": "If a number is (p+q) and another is (p-q), product is? 📏", "options": {"A": "p² - q²", "B": "p² + q²", "C": "2p", "D": "2q"}, "correct_answer": "A"},
    {"id": 48, "difficulty": "hard", "question": "(2x+3)(3x+4) = ? 🧮", "options": {"A": "6x² + 17x + 12", "B": "6x² + 12x + 17", "C": "5x² + 17x + 12", "D": "6x² + 7x + 12"}, "correct_answer": "A"},
    {"id": 49, "difficulty": "hard", "question": "(4a+5)(2a+7) = ? 🔢", "options": {"A": "8a² + 38a + 35", "B": "8a² + 35a + 38", "C": "6a² + 38a + 35", "D": "8a² + 28a + 35"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "A rectangle's length is (3x+2y), width is (2x+y). Area? 📐", "options": {"A": "6x² + 7xy + 2y²", "B": "6x² + 2y²", "C": "5x² + 7xy + 2y²", "D": "6x² + 4xy + 2y²"}, "correct_answer": "A"},
    {"id": 51, "difficulty": "hard", "question": "(x+1)(x+2)(x+3) = ? 📦", "options": {"A": "x³ + 6x² + 11x + 6", "B": "x³ + 6x² + 6x + 11", "C": "x³ + 11x² + 6x + 6", "D": "x³ + 3x² + 2x + 6"}, "correct_answer": "A"},
    {"id": 52, "difficulty": "hard", "question": "(2x-3)(3x-4) = ? ✖️", "options": {"A": "6x² - 17x + 12", "B": "6x² + 12x - 17", "C": "5x² - 17x + 12", "D": "6x² - 7x + 12"}, "correct_answer": "A"},
    {"id": 53, "difficulty": "hard", "question": "A square of side (3a+2b) has area? 🟨", "options": {"A": "9a² + 12ab + 4b²", "B": "9a² + 4b²", "C": "3a² + 12ab + 2b²", "D": "9a² + 6ab + 4b²"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "hard", "question": "(5p+4q)(5p-4q) = ? ⚡", "options": {"A": "25p² - 16q²", "B": "25p² + 16q²", "C": "5p² - 16q²", "D": "25p² - 8q²"}, "correct_answer": "A"},
    {"id": 55, "difficulty": "hard", "question": "If (x+2y)² = x² + ___ + 4y², fill blank. 🤔", "options": {"A": "4xy", "B": "2xy", "C": "xy", "D": "8xy"}, "correct_answer": "A"},
    {"id": 56, "difficulty": "hard", "question": "(a+b+c)² = a² + b² + c² + ___ 🧩", "options": {"A": "2ab + 2bc + 2ca", "B": "ab + bc + ca", "C": "2abc", "D": "a+b+c"}, "correct_answer": "A"},
    {"id": 57, "difficulty": "hard", "question": "A number is (m+n). Its square minus (m-n)² = ? 🔢", "options": {"A": "4mn", "B": "2m² + 2n²", "C": "2mn", "D": "0"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "(x+3)³ = x³ + 9x² + ___ + 27 📐", "options": {"A": "27x", "B": "9x", "C": "18x", "D": "3x"}, "correct_answer": "A"},
    {"id": 59, "difficulty": "hard", "question": "If (2x+5)(3x-2) = ax² + bx + c, find a+b+c. 🎯", "options": {"A": "19", "B": "21", "C": "17", "D": "15"}, "correct_answer": "A"},
    {"id": 60, "difficulty": "hard", "question": "A box has dimensions (x+1), (2x+1), (3x+1). Volume? 📦", "options": {"A": "6x³ + 11x² + 6x + 1", "B": "6x³ + 1", "C": "6x³ + 6x² + 11x + 1", "D": "x³ + 11x² + 6x + 1"}, "correct_answer": "A"}
  ]
}