{
  "title": "Terms, Factors, Coefficients - Grade 8 CBSE",
  "total_questions": 60,
  "questions": [

 
    {"id": 1, "difficulty": "easy", "question": "How many terms are in the expression 5x + 7?", "options": {"A": "2", "B": "3", "C": "1", "D": "4"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "Identify the coefficient of x in 6x", "options": {"A": "5", "B": "6", "C": "1", "D": "x"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "What are the factors of 9x?", "options": {"A": "1 and x", "B": "3 and 3x", "C": "9 and x", "D": "x and x"}, "correct_answer": "C"},
    {"id": 4, "difficulty": "easy", "question": "In 4xy, what is the coefficient?", "options": {"A": "4", "B": "xy", "C": "x", "D": "y"}, "correct_answer": "D"},
    {"id": 5, "difficulty": "easy", "question": "Which is a term in the expression 3x + 2y?", "options": {"A": "3 + 2", "B": "3x", "C": "x + y", "D": "5"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "What is the coefficient of y in 7y?", "options": {"A": "1", "B": "2", "C": "7", "D": "y"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "Identify the numeric coefficient in 8ab", "options": {"A": "8a", "B": "b", "C": "8", "D": "ab"}, "correct_answer": "C"},
    {"id": 8, "difficulty": "easy", "question": "How many factors does 12x have?", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "D"},
    {"id": 9, "difficulty": "easy", "question": "In the term 5xy, which is a variable?", "options": {"A": "5", "B": "xy", "C": "x", "D": "5x"}, "correct_answer": "C"},
    {"id": 10, "difficulty": "easy", "question": "Identify the terms in 2x + 3y", "options": {"A": "2 and 3", "B": "x and y", "C": "2x and 3y", "D": "x+y"}, "correct_answer": "D"},
    {"id": 11, "difficulty": "easy", "question": "Coefficient of a in 9a?", "options": {"A": "9", "B": "1", "C": "a", "D": "0"}, "correct_answer": "A"},
    {"id": 12, "difficulty": "easy", "question": "Which is a constant term?", "options": {"A": "3x", "B": "x²", "C": "7", "D": "xy"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "Identify the factors of 4xy", "options": {"A": "4 and xy", "B": "x and y only", "C": "4, x, and y", "D": "x and 4y"}, "correct_answer": "C"},
    {"id": 14, "difficulty": "easy", "question": "Which part of 6ab is the coefficient?", "options": {"A": "a", "B": "b", "C": "ab", "D": "6"}, "correct_answer": "D"},
    {"id": 15, "difficulty": "easy", "question": "How many terms in 3p + 5q + 7?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "Coefficient of x in −4x?", "options": {"A": "-4", "B": "4", "C": "-1", "D": "x"}, "correct_answer": "D"},
    {"id": 17, "difficulty": "easy", "question": "In the term 12mn, which pair are variables?", "options": {"A": "1 and 2", "B": "m and n", "C": "12 and m", "D": "m and 12"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "Identify the constant in 5x + 3", "options": {"A": "5", "B": "x", "C": "3", "D": "5x"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "What are the factors of 6p?", "options": {"A": "6 and p", "B": "3 and 2p", "C": "p and p", "D": "6p only"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "Coefficient of y in 10xy", "options": {"A": "10", "B": "x", "C": "10x", "D": "y"}, "correct_answer": "D"},


    {"id": 21, "difficulty": "medium", "question": "How many terms in 4x - 3y + 7?", "options": {"A": "3", "B": "2", "C": "4", "D": "1"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "Coefficient of x² in 5x² - 3x?", "options": {"A": "5", "B": "-3", "C": "1", "D": "0"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "Identify factors of 15xy", "options": {"A": "5, 3, x, y", "B": "3 and 5xy", "C": "15 only", "D": "x, y, and xy"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "Coefficient of ab in 12ab - 5b?", "options": {"A": "12", "B": "-5", "C": "7", "D": "ab"}, "correct_answer": "D"},
    {"id": 25, "difficulty": "medium", "question": "What are like terms?", "options": {"A": "Terms with same variables", "B": "Terms with same coefficients", "C": "Only constants", "D": "All polynomial terms"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "Which is a term in 7x² + 5x - 3?", "options": {"A": "7", "B": "7x²", "C": "x² + 5x", "D": "x - 3"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "Factors of 18xyz?", "options": {"A": "18, x, y, z", "B": "9, 2xy", "C": "3, 6, xyz", "D": "x, y, and 18"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "Coefficient of m in 8mn?", "options": {"A": "n", "B": "8n", "C": "8m", "D": "m"}, "correct_answer": "B"},
    {"id": 29, "difficulty": "medium", "question": "How many terms in a³ + b³ + c³?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "C"},
    {"id": 30, "difficulty": "medium", "question": "Coefficient of xy in 9xy + 2x?", "options": {"A": "9", "B": "2", "C": "xy", "D": "11"}, "correct_answer": "A"},
    {"id": 31, "difficulty": "medium", "question": "Factors of 20ab?", "options": {"A": "2, 10ab", "B": "4, 5, a, b", "C": "20 only", "D": "a and b only"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "Coefficient of x in −7xy?", "options": {"A": "-7y", "B": "7y", "C": "−7", "D": "xy"}, "correct_answer": "C"},
    {"id": 33, "difficulty": "medium", "question": "How many factors does 30x have?", "options": {"A": "2", "B": "3", "C": "4", "D": "Many"}, "correct_answer": "D"},
    {"id": 34, "difficulty": "medium", "question": "Identify like terms", "options": {"A": "2x, 3y", "B": "4a, 5a", "C": "6, 6x", "D": "x, xy"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "Coefficient of y² in 6x + 5y² - y?", "options": {"A": "5", "B": "6", "C": "-1", "D": "y²"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "Factors of 28pq?", "options": {"A": "4, 7pq", "B": "2, 14, p, q", "C": "7, 4p", "D": "28 only"}, "correct_answer": "A"},
    {"id": 37, "difficulty": "medium", "question": "Coefficient of a in 3ab²?", "options": {"A": "3b²", "B": "3", "C": "b²", "D": "ab²"}, "correct_answer": "B"},
    {"id": 38, "difficulty": "medium", "question": "Number of terms in x² + 3x - 7?", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "Identify the variables in 12abc", "options": {"A": "a", "B": "a and b", "C": "a, b, c", "D": "1"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "Coefficient of z in 4xyz?", "options": {"A": "xy", "B": "4xy", "C": "zxy", "D": "4"}, "correct_answer": "D"},

 
    {"id": 41, "difficulty": "hard", "question": "Coefficient of x²y in 15x²y - 7xy?", "options": {"A": "15", "B": "-7", "C": "1", "D": "xy"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "Number of terms in 3x² - 4xy + 7y² - 5?", "options": {"A": "3", "B": "4", "C": "5", "D": "2"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "hard", "question": "Identify factors of 45abc", "options": {"A": "9, 5, a, b, c", "B": "3, 15abc", "C": "a, b only", "D": "45 only"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "hard", "question": "Coefficient of m²n in 8m²n + 3mn?", "options": {"A": "8", "B": "3", "C": "1", "D": "mn"}, "correct_answer": "D"},
    {"id": 45, "difficulty": "hard", "question": "Which are like terms?", "options": {"A": "3xy and 5yx", "B": "2x and 3y", "C": "x² and xy", "D": "x and x²"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "Identify the numeric coefficient in −12a²b", "options": {"A": "-12", "B": "12", "C": "-1", "D": "ab"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "hard", "question": "Coefficient of x in 4x²y + 6xy?", "options": {"A": "6y", "B": "4xy", "C": "6", "D": "y"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "hard", "question": "Terms in 7x²y - 4xy² + xy?", "options": {"A": "1", "B": "2", "C": "3", "D": "4"}, "correct_answer": "D"},
    {"id": 49, "difficulty": "hard", "question": "Factors of 32xyz", "options": {"A": "4, 8xyz", "B": "2, 16, x, y, z", "C": "32 only", "D": "xyz only"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "Coefficient of a² in 14a²bc?", "options": {"A": "14bc", "B": "14", "C": "bc", "D": "1"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "hard", "question": "How many factors does 40abc have?", "options": {"A": "4", "B": "6", "C": "Many", "D": "10"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "hard", "question": "Coefficient of x³ in −9x³y?", "options": {"A": "-9y", "B": "-9", "C": "y", "D": "-1"}, "correct_answer": "D"},
    {"id": 53, "difficulty": "hard", "question": "Coefficient of pq in 11pqr?", "options": {"A": "11", "B": "11r", "C": "pq", "D": "r"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "hard", "question": "Identify variables in 18a²b³c", "options": {"A": "a only", "B": "a and b only", "C": "a, b, and c", "D": "18"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "hard", "question": "Coefficient of y in −5xy²?", "options": {"A": "-5x", "B": "5x", "C": "-5", "D": "y²"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "hard", "question": "Coefficient of m in 9m²n + 6mn?", "options": {"A": "6n", "B": "9mn", "C": "6", "D": "n"}, "correct_answer": "D"},
    {"id": 57, "difficulty": "hard", "question": "Number of terms in x³ + 4x² − xy + 7y?", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "Coefficient of abc in 20abc − 8ab?", "options": {"A": "20", "B": "-8", "C": "1", "D": "ab"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "hard", "question": "Factors of 50a²bc?", "options": {"A": "5, 10, a², b, c", "B": "25 and 2abc", "C": "50 only", "D": "a and b only"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "hard", "question": "Coefficient of z² in 17z²xy?", "options": {"A": "17xy", "B": "17", "C": "xy", "D": "1"}, "correct_answer": "D"}

  ]
}
