{
  "title": "Tenths and Hundredths - Grade 4 CBSE",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "How many tenths are in 0.7?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 2, "difficulty": "easy", "question": "What is 3 tenths as a decimal?", "options": {"A": "0.1", "B": "0.2", "C": "0.3", "D": "0.4"}, "correct_answer": "C"},
    {"id": 3, "difficulty": "easy", "question": "How many hundredths are in 0.25?", "options": {"A": "20", "B": "25", "C": "30", "D": "35"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "What is 7 hundredths as a decimal?", "options": {"A": "0.07", "B": "0.7", "C": "7.0", "D": "0.007"}, "correct_answer": "A"},
    {"id": 5, "difficulty": "easy", "question": "Which decimal represents 8 tenths?", "options": {"A": "0.08", "B": "0.8", "C": "8.0", "D": "0.008"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "How many tenths make one whole?", "options": {"A": "5", "B": "8", "C": "10", "D": "100"}, "correct_answer": "C"},
    {"id": 7, "difficulty": "easy", "question": "What is 0.4 in fraction form?", "options": {"A": "4/10", "B": "4/100", "C": "1/4", "D": "2/5"}, "correct_answer": "A"},
    {"id": 8, "difficulty": "easy", "question": "How many hundredths make one tenth?", "options": {"A": "5", "B": "10", "C": "15", "D": "20"}, "correct_answer": "B"},
    {"id": 9, "difficulty": "easy", "question": "What is 0.09 as a fraction?", "options": {"A": "9/10", "B": "9/100", "C": "90/100", "D": "9/1000"}, "correct_answer": "B"},
    {"id": 10, "difficulty": "easy", "question": "Which is greater: 0.6 or 0.06?", "options": {"A": "0.6", "B": "0.06", "C": "Equal", "D": "Cannot compare"}, "correct_answer": "A"},
    {"id": 11, "difficulty": "easy", "question": "What is 5/10 as a decimal?", "options": {"A": "0.05", "B": "0.5", "C": "5.0", "D": "0.005"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "How many hundredths are in 0.80?", "options": {"A": "8", "B": "80", "C": "800", "D": "0.8"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "What is 25/100 as a decimal?", "options": {"A": "0.25", "B": "2.5", "C": "25.0", "D": "0.025"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "Which represents 9 tenths?", "options": {"A": "0.09", "B": "0.9", "C": "9.0", "D": "0.009"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "What is 0.03 in fraction form?", "options": {"A": "3/10", "B": "3/100", "C": "30/100", "D": "3/1000"}, "correct_answer": "B"},
    {"id": 16, "difficulty": "easy", "question": "How many tenths are in 1.5?", "options": {"A": "5", "B": "10", "C": "15", "D": "20"}, "correct_answer": "C"},
    {"id": 17, "difficulty": "easy", "question": "What is 40/100 as a decimal?", "options": {"A": "0.04", "B": "0.4", "C": "4.0", "D": "40.0"}, "correct_answer": "B"},
    {"id": 18, "difficulty": "easy", "question": "Which is smaller: 0.7 or 0.07?", "options": {"A": "0.7", "B": "0.07", "C": "Equal", "D": "Cannot compare"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "What is 6 tenths plus 3 tenths?", "options": {"A": "0.3", "B": "0.6", "C": "0.9", "D": "1.2"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "How many hundredths make 0.5?", "options": {"A": "5", "B": "50", "C": "500", "D": "0.5"}, "correct_answer": "B"},

    {"id": 21, "difficulty": "medium", "question": "Convert 0.45 to a fraction in simplest form", "options": {"A": "45/100", "B": "9/20", "C": "4/5", "D": "45/10"}, "correct_answer": "B"},
    {"id": 22, "difficulty": "medium", "question": "What is 3 tenths and 8 hundredths as a decimal?", "options": {"A": "0.38", "B": "3.8", "C": "0.83", "D": "38.0"}, "correct_answer": "A"},
    {"id": 23, "difficulty": "medium", "question": "Add: 0.25 + 0.07", "options": {"A": "0.32", "B": "0.23", "C": "0.27", "D": "0.35"}, "correct_answer": "A"},
    {"id": 24, "difficulty": "medium", "question": "Subtract: 0.9 - 0.45", "options": {"A": "0.35", "B": "0.4", "C": "0.45", "D": "0.5"}, "correct_answer": "C"},
    {"id": 25, "difficulty": "medium", "question": "Which is greater: 0.67 or 0.7?", "options": {"A": "0.67", "B": "0.7", "C": "Equal", "D": "Cannot compare"}, "correct_answer": "B"},
    {"id": 26, "difficulty": "medium", "question": "Convert 17/100 to decimal", "options": {"A": "0.17", "B": "1.7", "C": "17.0", "D": "0.017"}, "correct_answer": "A"},
    {"id": 27, "difficulty": "medium", "question": "What is 0.08 as a percentage?", "options": {"A": "8%", "B": "80%", "C": "0.8%", "D": "800%"}, "correct_answer": "A"},
    {"id": 28, "difficulty": "medium", "question": "Add: 0.6 + 0.25", "options": {"A": "0.85", "B": "0.75", "C": "0.95", "D": "1.0"}, "correct_answer": "A"},
    {"id": 29, "difficulty": "medium", "question": "Subtract: 1.0 - 0.33", "options": {"A": "0.57", "B": "0.67", "C": "0.77", "D": "0.87"}, "correct_answer": "B"},
    {"id": 30, "difficulty": "medium", "question": "Convert 0.92 to a fraction", "options": {"A": "92/100", "B": "23/25", "C": "9/10", "D": "46/50"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "What is 4 tenths and 15 hundredths as a decimal?", "options": {"A": "0.415", "B": "0.55", "C": "4.15", "D": "0.45"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "Add: 0.47 + 0.28", "options": {"A": "0.65", "B": "0.75", "C": "0.85", "D": "0.95"}, "correct_answer": "B"},
    {"id": 33, "difficulty": "medium", "question": "Subtract: 0.85 - 0.29", "options": {"A": "0.54", "B": "0.56", "C": "0.58", "D": "0.6"}, "correct_answer": "B"},
    {"id": 34, "difficulty": "medium", "question": "Which is smaller: 0.49 or 0.5?", "options": {"A": "0.49", "B": "0.5", "C": "Equal", "D": "Cannot compare"}, "correct_answer": "A"},
    {"id": 35, "difficulty": "medium", "question": "Convert 3/4 to decimal", "options": {"A": "0.25", "B": "0.34", "C": "0.75", "D": "3.4"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "What is 0.05 as a percentage?", "options": {"A": "5%", "B": "50%", "C": "0.5%", "D": "500%"}, "correct_answer": "A"},
    {"id": 37, "difficulty": "medium", "question": "Add: 0.33 + 0.47", "options": {"A": "0.7", "B": "0.8", "C": "0.9", "D": "1.0"}, "correct_answer": "B"},
    {"id": 38, "difficulty": "medium", "question": "Subtract: 0.72 - 0.38", "options": {"A": "0.34", "B": "0.36", "C": "0.38", "D": "0.4"}, "correct_answer": "A"},
    {"id": 39, "difficulty": "medium", "question": "Convert 0.64 to a fraction in simplest form", "options": {"A": "64/100", "B": "32/50", "C": "16/25", "D": "8/12"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "What is 7 tenths and 23 hundredths as a decimal?", "options": {"A": "0.723", "B": "0.93", "C": "7.23", "D": "0.87"}, "correct_answer": "B"},
    {"id": 41, "difficulty": "medium", "question": "Add: 0.56 + 0.27", "options": {"A": "0.73", "B": "0.83", "C": "0.93", "D": "1.03"}, "correct_answer": "B"},
    {"id": 42, "difficulty": "medium", "question": "Subtract: 0.91 - 0.46", "options": {"A": "0.35", "B": "0.45", "C": "0.55", "D": "0.65"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "medium", "question": "Which is greater: 0.83 or 0.8?", "options": {"A": "0.83", "B": "0.8", "C": "Equal", "D": "Cannot compare"}, "correct_answer": "A"},
    {"id": 44, "difficulty": "medium", "question": "Convert 7/8 to decimal", "options": {"A": "0.78", "B": "0.875", "C": "0.87", "D": "7.8"}, "correct_answer": "B"},
    {"id": 45, "difficulty": "medium", "question": "What is 0.12 as a percentage?", "options": {"A": "12%", "B": "1.2%", "C": "120%", "D": "0.12%"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "medium", "question": "Add: 0.68 + 0.19", "options": {"A": "0.77", "B": "0.87", "C": "0.97", "D": "1.07"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "medium", "question": "Subtract: 0.75 - 0.28", "options": {"A": "0.47", "B": "0.48", "C": "0.49", "D": "0.5"}, "correct_answer": "A"},
    {"id": 48, "difficulty": "medium", "question": "Convert 0.88 to a fraction in simplest form", "options": {"A": "88/100", "B": "44/50", "C": "22/25", "D": "11/12"}, "correct_answer": "C"},
    {"id": 49, "difficulty": "medium", "question": "What is 5 tenths and 36 hundredths as a decimal?", "options": {"A": "0.536", "B": "0.86", "C": "5.36", "D": "0.76"}, "correct_answer": "B"},
    {"id": 50, "difficulty": "medium", "question": "Add: 0.79 + 0.14", "options": {"A": "0.83", "B": "0.93", "C": "1.03", "D": "1.13"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "medium", "question": "Subtract: 0.65 - 0.29", "options": {"A": "0.34", "B": "0.36", "C": "0.38", "D": "0.4"}, "correct_answer": "B"},
    {"id": 52, "difficulty": "medium", "question": "Which is smaller: 0.67 or 0.76?", "options": {"A": "0.67", "B": "0.76", "C": "Equal", "D": "Cannot compare"}, "correct_answer": "A"},
    {"id": 53, "difficulty": "medium", "question": "Convert 5/6 to decimal (rounded to 2 places)", "options": {"A": "0.83", "B": "0.84", "C": "0.85", "D": "0.86"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "medium", "question": "What is 0.09 as a percentage?", "options": {"A": "9%", "B": "90%", "C": "0.9%", "D": "900%"}, "correct_answer": "A"},
    {"id": 55, "difficulty": "medium", "question": "Add: 0.42 + 0.39", "options": {"A": "0.71", "B": "0.81", "C": "0.91", "D": "1.01"}, "correct_answer": "B"},
    {"id": 56, "difficulty": "medium", "question": "Subtract: 0.87 - 0.48", "options": {"A": "0.39", "B": "0.41", "C": "0.43", "D": "0.45"}, "correct_answer": "A"},
    {"id": 57, "difficulty": "medium", "question": "Convert 0.96 to a fraction in simplest form", "options": {"A": "96/100", "B": "48/50", "C": "24/25", "D": "12/13"}, "correct_answer": "C"},
    {"id": 58, "difficulty": "medium", "question": "What is 8 tenths and 17 hundredths as a decimal?", "options": {"A": "0.817", "B": "0.97", "C": "8.17", "D": "0.87"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "medium", "question": "Add: 0.53 + 0.28", "options": {"A": "0.71", "B": "0.81", "C": "0.91", "D": "1.01"}, "correct_answer": "B"},
    {"id": 60, "difficulty": "medium", "question": "Subtract: 0.94 - 0.57", "options": {"A": "0.37", "B": "0.38", "C": "0.39", "D": "0.4"}, "correct_answer": "A"},

    {"id": 61, "difficulty": "hard", "question": "Convert 0.375 to a fraction in simplest form", "options": {"A": "375/1000", "B": "75/200", "C": "15/40", "D": "3/8"}, "correct_answer": "D"},
    {"id": 62, "difficulty": "hard", "question": "Add: 0.127 + 0.348", "options": {"A": "0.465", "B": "0.475", "C": "0.485", "D": "0.495"}, "correct_answer": "B"},
    {"id": 63, "difficulty": "hard", "question": "Subtract: 1.245 - 0.678", "options": {"A": "0.557", "B": "0.567", "C": "0.577", "D": "0.587"}, "correct_answer": "B"},
    {"id": 64, "difficulty": "hard", "question": "Multiply: 0.25 × 0.4", "options": {"A": "0.01", "B": "0.1", "C": "1.0", "D": "10.0"}, "correct_answer": "B"},
    {"id": 65, "difficulty": "hard", "question": "Divide: 0.48 ÷ 0.6", "options": {"A": "0.08", "B": "0.8", "C": "8.0", "D": "80.0"}, "correct_answer": "B"},
    {"id": 66, "difficulty": "hard", "question": "Convert 7/12 to decimal (rounded to 3 places)", "options": {"A": "0.583", "B": "0.584", "C": "0.585", "D": "0.586"}, "correct_answer": "A"},
    {"id": 67, "difficulty": "hard", "question": "Add: 2.345 + 1.678", "options": {"A": "4.013", "B": "4.023", "C": "4.033", "D": "4.043"}, "correct_answer": "B"},
    {"id": 68, "difficulty": "hard", "question": "Subtract: 3.456 - 1.789", "options": {"A": "1.657", "B": "1.667", "C": "1.677", "D": "1.687"}, "correct_answer": "B"},
    {"id": 69, "difficulty": "hard", "question": "Multiply: 0.75 × 0.8", "options": {"A": "0.06", "B": "0.6", "C": "6.0", "D": "60.0"}, "correct_answer": "B"},
    {"id": 70, "difficulty": "hard", "question": "Divide: 0.84 ÷ 0.7", "options": {"A": "0.12", "B": "1.2", "C": "12.0", "D": "120.0"}, "correct_answer": "B"},
    {"id": 71, "difficulty": "hard", "question": "Convert 0.625 to a fraction in simplest form", "options": {"A": "625/1000", "B": "125/200", "C": "25/40", "D": "5/8"}, "correct_answer": "D"},
    {"id": 72, "difficulty": "hard", "question": "Add: 4.567 + 2.345", "options": {"A": "6.812", "B": "6.902", "C": "6.912", "D": "6.922"}, "correct_answer": "C"},
    {"id": 73, "difficulty": "hard", "question": "Subtract: 5.678 - 2.789", "options": {"A": "2.879", "B": "2.889", "C": "2.899", "D": "2.909"}, "correct_answer": "B"},
    {"id": 74, "difficulty": "hard", "question": "Multiply: 1.25 × 0.8", "options": {"A": "0.1", "B": "1.0", "C": "10.0", "D": "100.0"}, "correct_answer": "B"},
    {"id": 75, "difficulty": "hard", "question": "Divide: 1.44 ÷ 1.2", "options": {"A": "0.12", "B": "1.2", "C": "12.0", "D": "120.0"}, "correct_answer": "B"},
    {"id": 76, "difficulty": "hard", "question": "Convert 5/16 to decimal", "options": {"A": "0.3125", "B": "0.3225", "C": "0.3325", "D": "0.3425"}, "correct_answer": "A"},
    {"id": 77, "difficulty": "hard", "question": "Add: 6.789 + 3.456", "options": {"A": "10.235", "B": "10.245", "C": "10.255", "D": "10.265"}, "correct_answer": "B"},
    {"id": 78, "difficulty": "hard", "question": "Subtract: 7.891 - 4.567", "options": {"A": "3.314", "B": "3.324", "C": "3.334", "D": "3.344"}, "correct_answer": "B"},
    {"id": 79, "difficulty": "hard", "question": "Multiply: 2.5 × 0.4", "options": {"A": "0.1", "B": "1.0", "C": "10.0", "D": "100.0"}, "correct_answer": "B"},
    {"id": 80, "difficulty": "hard", "question": "Divide: 2.16 ÷ 1.8", "options": {"A": "0.12", "B": "1.2", "C": "12.0", "D": "120.0"}, "correct_answer": "B"},
    {"id": 81, "difficulty": "hard", "question": "Convert 0.875 to a fraction in simplest form", "options": {"A": "875/1000", "B": "175/200", "C": "35/40", "D": "7/8"}, "correct_answer": "D"},
    {"id": 82, "difficulty": "hard", "question": "Add: 8.901 + 5.678", "options": {"A": "14.569", "B": "14.579", "C": "14.589", "D": "14.599"}, "correct_answer": "B"},
    {"id": 83, "difficulty": "hard", "question": "Subtract: 9.012 - 6.345", "options": {"A": "2.657", "B": "2.667", "C": "2.677", "D": "2.687"}, "correct_answer": "B"},
    {"id": 84, "difficulty": "hard", "question": "Multiply: 3.75 × 0.8", "options": {"A": "0.3", "B": "3.0", "C": "30.0", "D": "300.0"}, "correct_answer": "B"},
    {"id": 85, "difficulty": "hard", "question": "Divide: 3.24 ÷ 2.7", "options": {"A": "0.12", "B": "1.2", "C": "12.0", "D": "120.0"}, "correct_answer": "B"},
    {"id": 86, "difficulty": "hard", "question": "Convert 3/20 to decimal", "options": {"A": "0.15", "B": "0.25", "C": "0.35", "D": "0.45"}, "correct_answer": "A"},
    {"id": 87, "difficulty": "hard", "question": "Add: 12.345 + 8.901", "options": {"A": "21.236", "B": "21.246", "C": "21.256", "D": "21.266"}, "correct_answer": "B"},
    {"id": 88, "difficulty": "hard", "question": "Subtract: 15.678 - 9.345", "options": {"A": "6.323", "B": "6.333", "C": "6.343", "D": "6.353"}, "correct_answer": "B"},
    {"id": 89, "difficulty": "hard", "question": "Multiply: 4.25 × 0.4", "options": {"A": "0.17", "B": "1.7", "C": "17.0", "D": "170.0"}, "correct_answer": "B"},
    {"id": 90, "difficulty": "hard", "question": "Divide: 4.32 ÷ 3.6", "options": {"A": "0.12", "B": "1.2", "C": "12.0", "D": "120.0"}, "correct_answer": "B"},
    {"id": 91, "difficulty": "hard", "question": "Convert 0.9375 to a fraction in simplest form", "options": {"A": "9375/10000", "B": "1875/2000", "C": "375/400", "D": "15/16"}, "correct_answer": "D"},
    {"id": 92, "difficulty": "hard", "question": "Add: 18.901 + 12.345", "options": {"A": "31.236", "B": "31.246", "C": "31.256", "D": "31.266"}, "correct_answer": "B"},
    {"id": 93, "difficulty": "hard", "question": "Subtract: 23.456 - 17.891", "options": {"A": "5.555", "B": "5.565", "C": "5.575", "D": "5.585"}, "correct_answer": "B"},
    {"id": 94, "difficulty": "hard", "question": "Multiply: 5.75 × 0.8", "options": {"A": "0.46", "B": "4.6", "C": "46.0", "D": "460.0"}, "correct_answer": "B"},
    {"id": 95, "difficulty": "hard", "question": "Divide: 5.76 ÷ 4.8", "options": {"A": "0.12", "B": "1.2", "C": "12.0", "D": "120.0"}, "correct_answer": "B"},
    {"id": 96, "difficulty": "hard", "question": "Convert 7/25 to decimal", "options": {"A": "0.28", "B": "0.38", "C": "0.48", "D": "0.58"}, "correct_answer": "A"},
    {"id": 97, "difficulty": "hard", "question": "Add: 27.891 + 15.678", "options": {"A": "43.559", "B": "43.569", "C": "43.579", "D": "43.589"}, "correct_answer": "B"},
    {"id": 98, "difficulty": "hard", "question": "Subtract: 34.567 - 28.901", "options": {"A": "5.656", "B": "5.666", "C": "5.676", "D": "5.686"}, "correct_answer": "B"},
    {"id": 99, "difficulty": "hard", "question": "Multiply: 6.25 × 0.8", "options": {"A": "0.5", "B": "5.0", "C": "50.0", "D": "500.0"}, "correct_answer": "B"},
    {"id": 100, "difficulty": "hard", "question": "Divide: 6.48 ÷ 5.4", "options": {"A": "0.12", "B": "1.2", "C": "12.0", "D": "120.0"}, "correct_answer": "B"}
  ]
}