{
  "title": "Division Algorithm for Polynomials - Grade 10 CBSE",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "Divide: x² + 5x + 6 by (x + 2)", "options": {"A": "x + 3", "B": "x + 4", "C": "x + 5", "D": "x + 6"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "Divide: x² + 7x + 12 by (x + 3)", "options": {"A": "x + 3", "B": "x + 4", "C": "x + 5", "D": "x + 6"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "Divide: x² - 5x + 6 by (x - 2)", "options": {"A": "x - 2", "B": "x - 3", "C": "x - 4", "D": "x - 5"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "Divide: x² - 3x - 10 by (x - 5)", "options": {"A": "x + 1", "B": "x + 2", "C": "x + 3", "D": "x + 4"}, "correct_answer": "B"},
    {"id": 5, "difficulty": "easy", "question": "Divide: x² + 8x + 15 by (x + 5)", "options": {"A": "x + 2", "B": "x + 3", "C": "x + 4", "D": "x + 5"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "Divide: x² - 4 by (x - 2)", "options": {"A": "x + 1", "B": "x + 2", "C": "x + 3", "D": "x + 4"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "Divide: x² + 9x + 20 by (x + 4)", "options": {"A": "x + 4", "B": "x + 5", "C": "x + 6", "D": "x + 7"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "Divide: x² - 7x + 12 by (x - 3)", "options": {"A": "x - 3", "B": "x - 4", "C": "x - 5", "D": "x - 6"}, "correct_answer": "B"},
    {"id": 9, "difficulty": "easy", "question": "Divide: x² + 6x + 8 by (x + 2)", "options": {"A": "x + 3", "B": "x + 4", "C": "x + 5", "D": "x + 6"}, "correct_answer": "B"},
    {"id": 10, "difficulty": "easy", "question": "Divide: x² - x - 6 by (x - 3)", "options": {"A": "x + 1", "B": "x + 2", "C": "x + 3", "D": "x + 4"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "Divide: x² + 11x + 30 by (x + 5)", "options": {"A": "x + 5", "B": "x + 6", "C": "x + 7", "D": "x + 8"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "Divide: x² - 8x + 15 by (x - 5)", "options": {"A": "x - 2", "B": "x - 3", "C": "x - 4", "D": "x - 5"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "Divide: x² + 10x + 21 by (x + 7)", "options": {"A": "x + 2", "B": "x + 3", "C": "x + 4", "D": "x + 5"}, "correct_answer": "B"},
    {"id": 14, "difficulty": "easy", "question": "Divide: x² - 6x + 8 by (x - 4)", "options": {"A": "x - 1", "B": "x - 2", "C": "x - 3", "D": "x - 4"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "Divide: x² + 12x + 35 by (x + 7)", "options": {"A": "x + 4", "B": "x + 5", "C": "x + 6", "D": "x + 7"}, "correct_answer": "B"},
    {"id": 16, "difficulty": "easy", "question": "Divide: x² - 9x + 20 by (x - 4)", "options": {"A": "x - 4", "B": "x - 5", "C": "x - 6", "D": "x - 7"}, "correct_answer": "B"},
    {"id": 17, "difficulty": "easy", "question": "Divide: x² + 13x + 42 by (x + 6)", "options": {"A": "x + 6", "B": "x + 7", "C": "x + 8", "D": "x + 9"}, "correct_answer": "B"},
    {"id": 18, "difficulty": "easy", "question": "Divide: x² - 10x + 24 by (x - 6)", "options": {"A": "x - 3", "B": "x - 4", "C": "x - 5", "D": "x - 6"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "Divide: x² + 14x + 45 by (x + 9)", "options": {"A": "x + 4", "B": "x + 5", "C": "x + 6", "D": "x + 7"}, "correct_answer": "B"},
    {"id": 20, "difficulty": "easy", "question": "Divide: x² - 11x + 30 by (x - 6)", "options": {"A": "x - 4", "B": "x - 5", "C": "x - 6", "D": "x - 7"}, "correct_answer": "B"},
    {"id": 21, "difficulty": "medium", "question": "Divide: 2x² + 5x + 3 by (x + 1)", "options": {"A": "2x + 3", "B": "2x + 4", "C": "2x + 5", "D": "2x + 6"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "Divide: 3x² + 8x + 4 by (x + 2)", "options": {"A": "3x + 1", "B": "3x + 2", "C": "3x + 3", "D": "3x + 4"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "Divide: 4x² - 4x - 3 by (2x - 3)", "options": {"A": "2x + 1", "B": "2x + 2", "C": "2x + 3", "D": "2x + 4"}, "correct_answer": "A"},
    {"id": 24, "difficulty": "medium", "question": "Divide: 6x² + 11x - 10 by (2x + 5)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "B"},
    {"id": 25, "difficulty": "medium", "question": "Divide: 2x² - 7x + 6 by (x - 2)", "options": {"A": "2x - 3", "B": "2x - 4", "C": "2x - 5", "D": "2x - 6"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "Divide: 3x² - 5x - 2 by (x - 2)", "options": {"A": "3x + 1", "B": "3x + 2", "C": "3x + 3", "D": "3x + 4"}, "correct_answer": "A"},
    {"id": 27, "difficulty": "medium", "question": "Divide: 5x² + 11x + 2 by (5x + 1)", "options": {"A": "x + 1", "B": "x + 2", "C": "x + 3", "D": "x + 4"}, "correct_answer": "B"},
    {"id": 28, "difficulty": "medium", "question": "Divide: 4x² - 12x + 9 by (2x - 3)", "options": {"A": "2x - 2", "B": "2x - 3", "C": "2x - 4", "D": "2x - 5"}, "correct_answer": "B"},
    {"id": 29, "difficulty": "medium", "question": "Divide: 6x² + 7x - 3 by (2x + 3)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "Divide: 2x² + 9x + 10 by (x + 2)", "options": {"A": "2x + 4", "B": "2x + 5", "C": "2x + 6", "D": "2x + 7"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "Divide: 3x² + 10x + 8 by (x + 2)", "options": {"A": "3x + 3", "B": "3x + 4", "C": "3x + 5", "D": "3x + 6"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "Divide: 4x² - 8x + 3 by (2x - 1)", "options": {"A": "2x - 2", "B": "2x - 3", "C": "2x - 4", "D": "2x - 5"}, "correct_answer": "B"},
    {"id": 33, "difficulty": "medium", "question": "Divide: 5x² - 13x + 6 by (x - 2)", "options": {"A": "5x - 2", "B": "5x - 3", "C": "5x - 4", "D": "5x - 5"}, "correct_answer": "B"},
    {"id": 34, "difficulty": "medium", "question": "Divide: 6x² - 5x - 6 by (2x - 3)", "options": {"A": "3x + 1", "B": "3x + 2", "C": "3x + 3", "D": "3x + 4"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "Divide: 2x² + 3x - 2 by (x + 2)", "options": {"A": "2x - 1", "B": "2x - 2", "C": "2x - 3", "D": "2x - 4"}, "correct_answer": "A"},
    {"id": 36, "difficulty": "medium", "question": "Divide: 3x² - 14x + 8 by (x - 4)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "B"},
    {"id": 37, "difficulty": "medium", "question": "Divide: 4x² + 4x - 3 by (2x + 3)", "options": {"A": "2x - 1", "B": "2x - 2", "C": "2x - 3", "D": "2x - 4"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "Divide: 5x² + 8x + 3 by (x + 1)", "options": {"A": "5x + 2", "B": "5x + 3", "C": "5x + 4", "D": "5x + 5"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "Divide: 6x² - 19x + 10 by (2x - 5)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "B"},
    {"id": 40, "difficulty": "medium", "question": "Divide: 2x² + 7x - 4 by (x + 4)", "options": {"A": "2x - 1", "B": "2x - 2", "C": "2x - 3", "D": "2x - 4"}, "correct_answer": "A"},
    {"id": 41, "difficulty": "medium", "question": "Divide: 3x² - 2x - 1 by (x - 1)", "options": {"A": "3x + 1", "B": "3x + 2", "C": "3x + 3", "D": "3x + 4"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "medium", "question": "Divide: 4x² + 12x + 5 by (2x + 1)", "options": {"A": "2x + 4", "B": "2x + 5", "C": "2x + 6", "D": "2x + 7"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "medium", "question": "Divide: 5x² - 22x + 8 by (x - 4)", "options": {"A": "5x - 1", "B": "5x - 2", "C": "5x - 3", "D": "5x - 4"}, "correct_answer": "B"},
    {"id": 44, "difficulty": "medium", "question": "Divide: 6x² + 5x - 6 by (3x - 2)", "options": {"A": "2x + 2", "B": "2x + 3", "C": "2x + 4", "D": "2x + 5"}, "correct_answer": "B"},
    {"id": 45, "difficulty": "medium", "question": "Divide: 2x² - 5x + 3 by (x - 1)", "options": {"A": "2x - 2", "B": "2x - 3", "C": "2x - 4", "D": "2x - 5"}, "correct_answer": "B"},
    {"id": 46, "difficulty": "medium", "question": "Divide: 3x² + 7x - 6 by (x + 3)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "medium", "question": "Divide: 4x² - 1 by (2x - 1)", "options": {"A": "2x", "B": "2x + 1", "C": "2x + 2", "D": "2x + 3"}, "correct_answer": "B"},
    {"id": 48, "difficulty": "medium", "question": "Divide: 5x² + 6x - 8 by (x + 2)", "options": {"A": "5x - 3", "B": "5x - 4", "C": "5x - 5", "D": "5x - 6"}, "correct_answer": "B"},
    {"id": 49, "difficulty": "medium", "question": "Divide: 6x² - 7x - 3 by (3x + 1)", "options": {"A": "2x - 2", "B": "2x - 3", "C": "2x - 4", "D": "2x - 5"}, "correct_answer": "B"},
    {"id": 50, "difficulty": "medium", "question": "Divide: 2x² - 8x + 6 by (x - 3)", "options": {"A": "2x - 1", "B": "2x - 2", "C": "2x - 3", "D": "2x - 4"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "medium", "question": "Divide: 3x² - 10x + 3 by (x - 3)", "options": {"A": "3x", "B": "3x - 1", "C": "3x - 2", "D": "3x - 3"}, "correct_answer": "B"},
    {"id": 52, "difficulty": "medium", "question": "Divide: 4x² + 8x + 3 by (2x + 1)", "options": {"A": "2x + 2", "B": "2x + 3", "C": "2x + 4", "D": "2x + 5"}, "correct_answer": "B"},
    {"id": 53, "difficulty": "medium", "question": "Divide: 5x² - 3x - 2 by (x - 1)", "options": {"A": "5x + 1", "B": "5x + 2", "C": "5x + 3", "D": "5x + 4"}, "correct_answer": "B"},
    {"id": 54, "difficulty": "medium", "question": "Divide: 6x² + 13x + 6 by (2x + 3)", "options": {"A": "3x + 1", "B": "3x + 2", "C": "3x + 3", "D": "3x + 4"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "medium", "question": "Divide: 2x² + x - 3 by (x - 1)", "options": {"A": "2x + 2", "B": "2x + 3", "C": "2x + 4", "D": "2x + 5"}, "correct_answer": "B"},
    {"id": 56, "difficulty": "medium", "question": "Divide: 3x² - 4x - 4 by (x - 2)", "options": {"A": "3x + 1", "B": "3x + 2", "C": "3x + 3", "D": "3x + 4"}, "correct_answer": "B"},
    {"id": 57, "difficulty": "medium", "question": "Divide: 4x² - 5x + 1 by (x - 1)", "options": {"A": "4x", "B": "4x - 1", "C": "4x - 2", "D": "4x - 3"}, "correct_answer": "B"},
    {"id": 58, "difficulty": "medium", "question": "Divide: 5x² + 13x + 6 by (x + 2)", "options": {"A": "5x + 2", "B": "5x + 3", "C": "5x + 4", "D": "5x + 5"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "medium", "question": "Divide: 6x² - 5x - 1 by (x - 1)", "options": {"A": "6x", "B": "6x + 1", "C": "6x + 2", "D": "6x + 3"}, "correct_answer": "B"},
    {"id": 60, "difficulty": "medium", "question": "Divide: 2x² - 3x - 2 by (x - 2)", "options": {"A": "2x + 1", "B": "2x + 2", "C": "2x + 3", "D": "2x + 4"}, "correct_answer": "A"},
    {"id": 61, "difficulty": "medium", "question": "Divide: 3x² + 2x - 1 by (x + 1)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "A"},
    {"id": 62, "difficulty": "medium", "question": "Divide: 4x² - 9 by (2x - 3)", "options": {"A": "2x + 2", "B": "2x + 3", "C": "2x + 4", "D": "2x + 5"}, "correct_answer": "B"},
    {"id": 63, "difficulty": "medium", "question": "Divide: 5x² - 8x + 3 by (x - 1)", "options": {"A": "5x - 2", "B": "5x - 3", "C": "5x - 4", "D": "5x - 5"}, "correct_answer": "B"},
    {"id": 64, "difficulty": "medium", "question": "Divide: 6x² + 11x + 4 by (2x + 1)", "options": {"A": "3x + 3", "B": "3x + 4", "C": "3x + 5", "D": "3x + 6"}, "correct_answer": "B"},
    {"id": 65, "difficulty": "medium", "question": "Divide: 2x² + 5x - 12 by (x + 4)", "options": {"A": "2x - 2", "B": "2x - 3", "C": "2x - 4", "D": "2x - 5"}, "correct_answer": "B"},
    {"id": 66, "difficulty": "medium", "question": "Divide: 3x² - 11x + 6 by (x - 3)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "B"},
    {"id": 67, "difficulty": "medium", "question": "Divide: 4x² + 7x - 2 by (x + 2)", "options": {"A": "4x - 1", "B": "4x - 2", "C": "4x - 3", "D": "4x - 4"}, "correct_answer": "A"},
    {"id": 68, "difficulty": "medium", "question": "Divide: 5x² + 9x + 4 by (x + 1)", "options": {"A": "5x + 3", "B": "5x + 4", "C": "5x + 5", "D": "5x + 6"}, "correct_answer": "B"},
    {"id": 69, "difficulty": "medium", "question": "Divide: 6x² - 13x + 6 by (2x - 3)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "B"},
    {"id": 70, "difficulty": "medium", "question": "Divide: 2x² - x - 6 by (x - 2)", "options": {"A": "2x + 2", "B": "2x + 3", "C": "2x + 4", "D": "2x + 5"}, "correct_answer": "B"},
    {"id": 71, "difficulty": "medium", "question": "Divide: 3x² + 4x - 4 by (x + 2)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "B"},
    {"id": 72, "difficulty": "medium", "question": "Divide: 4x² - 16 by (2x - 4)", "options": {"A": "2x + 3", "B": "2x + 4", "C": "2x + 5", "D": "2x + 6"}, "correct_answer": "B"},
    {"id": 73, "difficulty": "medium", "question": "Divide: 5x² + 2x - 3 by (x + 1)", "options": {"A": "5x - 2", "B": "5x - 3", "C": "5x - 4", "D": "5x - 5"}, "correct_answer": "B"},
    {"id": 74, "difficulty": "medium", "question": "Divide: 6x² + 17x + 5 by (2x + 5)", "options": {"A": "3x", "B": "3x + 1", "C": "3x + 2", "D": "3x + 3"}, "correct_answer": "B"},
    {"id": 75, "difficulty": "medium", "question": "Divide: 2x² - 7x - 4 by (x - 4)", "options": {"A": "2x + 1", "B": "2x + 2", "C": "2x + 3", "D": "2x + 4"}, "correct_answer": "A"},
    {"id": 76, "difficulty": "medium", "question": "Divide: 3x² + 5x - 2 by (x + 2)", "options": {"A": "3x - 1", "B": "3x - 2", "C": "3x - 3", "D": "3x - 4"}, "correct_answer": "A"},
    {"id": 77, "difficulty": "medium", "question": "Divide: 4x² - 4x - 15 by (2x - 5)", "options": {"A": "2x + 2", "B": "2x + 3", "C": "2x + 4", "D": "2x + 5"}, "correct_answer": "B"},
    {"id": 78, "difficulty": "medium", "question": "Divide: 5x² + 14x + 8 by (x + 2)", "options": {"A": "5x + 3", "B": "5x + 4", "C": "5x + 5", "D": "5x + 6"}, "correct_answer": "B"},
    {"id": 79, "difficulty": "medium", "question": "Divide: 6x² - 23x + 20 by (2x - 5)", "options": {"A": "3x - 3", "B": "3x - 4", "C": "3x - 5", "D": "3x - 6"}, "correct_answer": "B"},
    {"id": 80, "difficulty": "medium", "question": "Divide: 2x² + 3x - 5 by (x - 1)", "options": {"A": "2x + 4", "B": "2x + 5", "C": "2x + 6", "D": "2x + 7"}, "correct_answer": "B"},
    {"id": 81, "difficulty": "hard", "question": "Divide: x³ - 3x² + 3x - 1 by (x - 1)", "options": {"A": "x² - 2x + 1", "B": "x² - 3x + 1", "C": "x² - 4x + 1", "D": "x² - 5x + 1"}, "correct_answer": "A"},
    {"id": 82, "difficulty": "hard", "question": "Divide: x³ + 6x² + 11x + 6 by (x + 1)", "options": {"A": "x² + 4x + 6", "B": "x² + 5x + 6", "C": "x² + 6x + 6", "D": "x² + 7x + 6"}, "correct_answer": "B"},
    {"id": 83, "difficulty": "hard", "question": "Divide: 2x³ - 3x² - 3x + 2 by (x - 2)", "options": {"A": "2x² + x - 1", "B": "2x² - x - 1", "C": "2x² + x + 1", "D": "2x² - x + 1"}, "correct_answer": "A"},
    {"id": 84, "difficulty": "hard", "question": "Divide: x³ - 6x² + 11x - 6 by (x - 3)", "options": {"A": "x² - 2x + 2", "B": "x² - 3x + 2", "C": "x² - 4x + 2", "D": "x² - 5x + 2"}, "correct_answer": "B"},
    {"id": 85, "difficulty": "hard", "question": "Divide: 3x³ + 2x² - 19x + 6 by (x + 3)", "options": {"A": "3x² - 7x + 2", "B": "3x² - 6x + 2", "C": "3x² - 5x + 2", "D": "3x² - 4x + 2"}, "correct_answer": "A"},
    {"id": 86, "difficulty": "hard", "question": "Divide: x⁴ - 16 by (x - 2)", "options": {"A": "x³ + 2x² + 4x + 8", "B": "x³ + 2x² + 4x + 6", "C": "x³ + 2x² + 4x + 4", "D": "x³ + 2x² + 4x + 2"}, "correct_answer": "A"},
    {"id": 87, "difficulty": "hard", "question": "Divide: x³ + 1 by (x + 1)", "options": {"A": "x² - x + 1", "B": "x² + x + 1", "C": "x² - x - 1", "D": "x² + x - 1"}, "correct_answer": "A"},
    {"id": 88, "difficulty": "hard", "question": "Divide: 2x³ + x² - 5x + 2 by (2x - 1)", "options": {"A": "x² + x - 2", "B": "x² + x + 2", "C": "x² - x - 2", "D": "x² - x + 2"}, "correct_answer": "A"},
    {"id": 89, "difficulty": "hard", "question": "Divide: x³ - 8 by (x - 2)", "options": {"A": "x² + 2x + 4", "B": "x² - 2x + 4", "C": "x² + 2x - 4", "D": "x² - 2x - 4"}, "correct_answer": "A"},
    {"id": 90, "difficulty": "hard", "question": "Divide: 3x³ - 5x² - 11x - 3 by (3x + 1)", "options": {"A": "x² - 2x - 3", "B": "x² + 2x - 3", "C": "x² - 2x + 3", "D": "x² + 2x + 3"}, "correct_answer": "A"},
    {"id": 91, "difficulty": "hard", "question": "Divide: x⁴ - 1 by (x - 1)", "options": {"A": "x³ + x² + x + 1", "B": "x³ - x² + x - 1", "C": "x³ + x² - x + 1", "D": "x³ - x² - x - 1"}, "correct_answer": "A"},
    {"id": 92, "difficulty": "hard", "question": "Divide: 4x³ - 8x² - 9x + 18 by (2x - 3)", "options": {"A": "2x² - x - 6", "B": "2x² + x - 6", "C": "2x² - x + 6", "D": "2x² + x + 6"}, "correct_answer": "A"},
    {"id": 93, "difficulty": "hard", "question": "Divide: x³ + 3x² + 3x + 1 by (x + 1)", "options": {"A": "x² + 2x + 1", "B": "x² + 3x + 1", "C": "x² + 4x + 1", "D": "x² + 5x + 1"}, "correct_answer": "A"},
    {"id": 94, "difficulty": "hard", "question": "Divide: 2x⁴ - 3x³ - 3x² + 6x - 2 by (x² - 2)", "options": {"A": "2x² - 3x + 1", "B": "2x² + 3x - 1", "C": "2x² - 3x - 1", "D": "2x² + 3x + 1"}, "correct_answer": "A"},
    {"id": 95, "difficulty": "hard", "question": "Divide: x³ - 3x - 2 by (x + 1)", "options": {"A": "x² - x - 2", "B": "x² + x - 2", "C": "x² - x + 2", "D": "x² + x + 2"}, "correct_answer": "A"},
    {"id": 96, "difficulty": "hard", "question": "Divide: 3x³ + 4x² - 5x - 2 by (x + 1)", "options": {"A": "3x² + x - 2", "B": "3x² - x - 2", "C": "3x² + x + 2", "D": "3x² - x + 2"}, "correct_answer": "A"},
    {"id": 97, "difficulty": "hard", "question": "Divide: x⁴ + x³ - 7x² - x + 6 by (x² - 1)", "options": {"A": "x² + x - 6", "B": "x² - x - 6", "C": "x² + x + 6", "D": "x² - x + 6"}, "correct_answer": "A"},
    {"id": 98, "difficulty": "hard", "question": "Divide: 2x³ - 9x² + 14x - 8 by (x - 2)", "options": {"A": "2x² - 5x + 4", "B": "2x² + 5x - 4", "C": "2x² - 5x - 4", "D": "2x² + 5x + 4"}, "correct_answer": "A"},
    {"id": 99, "difficulty": "hard", "question": "Divide: x³ - 2x² - x + 2 by (x - 1)", "options": {"A": "x² - x - 2", "B": "x² + x - 2", "C": "x² - x + 2", "D": "x² + x + 2"}, "correct_answer": "A"},
    {"id": 100, "difficulty": "hard", "question": "Divide: 4x³ - 2x² - 7x - 2 by (2x + 1)", "options": {"A": "2x² - 2x - 2", "B": "2x² + 2x - 2", "C": "2x² - 2x + 2", "D": "2x² + 2x + 2"}, "correct_answer": "A"}
  ]
}