{
  "title": "Unitary Method (Ratio and Proportion) - Grade 5 ICSE",
  "total_questions": 90,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "If 1 pencil costs ₹5, what is the cost of 4 pencils?",
      "options": { "A": "₹15", "B": "₹25", "C": "₹20", "D": "₹10" },
      "correct_answer": "C"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "If 1 apple costs ₹10, how much do 3 apples cost?",
      "options": { "A": "₹40", "B": "₹20", "C": "₹10", "D": "₹30" },
      "correct_answer": "D"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "If 1 notebook costs ₹12, what is the cost of 5 notebooks?",
      "options": { "A": "₹60", "B": "₹50", "C": "₹72", "D": "₹48" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "If 1 kg sugar costs ₹40, how much will 2 kg cost?",
      "options": { "A": "₹90", "B": "₹80", "C": "₹60", "D": "₹40" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "If 1 chocolate costs ₹8, what is the cost of 6 chocolates?",
      "options": { "A": "₹48", "B": "₹36", "C": "₹56", "D": "₹40" },
      "correct_answer": "A"
    },

    {
      "id": 6,
      "difficulty": "easy",
      "question": "If 1 pen costs ₹7, how much will 10 pens cost?",
      "options": { "A": "₹60", "B": "₹80", "C": "₹70", "D": "₹75" },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "If 1 orange costs ₹6, what is the cost of 8 oranges?",
      "options": { "A": "₹42", "B": "₹54", "C": "₹48", "D": "₹36" },
      "correct_answer": "C"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "If 1 kg rice costs ₹50, what is the cost of 3 kg rice?",
      "options": { "A": "₹150", "B": "₹100", "C": "₹200", "D": "₹75" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "If 1 ticket costs ₹25, what is the cost of 4 tickets?",
      "options": { "A": "₹75", "B": "₹125", "C": "₹100", "D": "₹50" },
      "correct_answer": "C"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "If 1 toy costs ₹30, how much do 2 toys cost?",
      "options": { "A": "₹90", "B": "₹60", "C": "₹45", "D": "₹30" },
      "correct_answer": "B"
    },

    {
      "id": 11,
      "difficulty": "easy",
      "question": "If 1 kg apples cost ₹120, what is the cost of 5 kg apples?",
      "options": { "A": "₹500", "B": "₹600", "C": "₹720", "D": "₹480" },
      "correct_answer": "B"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "If 1 bottle costs ₹18, how much do 6 bottles cost?",
      "options": { "A": "₹108", "B": "₹90", "C": "₹120", "D": "₹72" },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "If 1 book costs ₹45, what is the cost of 4 books?",
      "options": { "A": "₹150", "B": "₹200", "C": "₹180", "D": "₹225" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "If 1 dozen bananas cost ₹60, what is the cost of 1 banana?",
      "options": { "A": "₹6", "B": "₹5", "C": "₹4", "D": "₹3" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "If 1 litre milk costs ₹56, how much will 2 litres cost?",
      "options": { "A": "₹112", "B": "₹100", "C": "₹120", "D": "₹56" },
      "correct_answer": "A"
    },

    {
      "id": 16,
      "difficulty": "easy",
      "question": "If 1 eraser costs ₹3, what is the cost of 9 erasers?",
      "options": { "A": "₹24", "B": "₹27", "C": "₹30", "D": "₹18" },
      "correct_answer": "B"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "If 1 chair costs ₹450, what is the cost of 2 chairs?",
      "options": { "A": "₹800", "B": "₹900", "C": "₹1000", "D": "₹750" },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "If 1 kg potatoes cost ₹20, what is the cost of 7 kg?",
      "options": { "A": "₹120", "B": "₹150", "C": "₹140", "D": "₹160" },
      "correct_answer": "C"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "If 1 bus ticket costs ₹15, what is the cost of 6 tickets?",
      "options": { "A": "₹100", "B": "₹90", "C": "₹75", "D": "₹60" },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "If 1 packet costs ₹22, how much do 5 packets cost?",
      "options": { "A": "₹100", "B": "₹120", "C": "₹110", "D": "₹130" },
      "correct_answer": "C"
    },

    {
      "id": 41,
      "difficulty": "medium",
      "question": "If 5 pens cost ₹75, what is the cost of 1 pen?",
      "options": { "A": "₹12", "B": "₹15", "C": "₹18", "D": "₹10" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "medium",
      "question": "If 8 kg rice costs ₹400, what is the cost of 1 kg rice?",
      "options": { "A": "₹45", "B": "₹55", "C": "₹50", "D": "₹60" },
      "correct_answer": "C"
    },
    {
      "id": 43,
      "difficulty": "medium",
      "question": "If 6 shirts cost ₹1800, what is the cost of 1 shirt?",
      "options": { "A": "₹250", "B": "₹350", "C": "₹300", "D": "₹400" },
      "correct_answer": "C"
    },
    {
      "id": 44,
      "difficulty": "medium",
      "question": "If 10 kg flour costs ₹520, what is the cost of 2 kg flour?",
      "options": { "A": "₹100", "B": "₹104", "C": "₹120", "D": "₹150" },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "medium",
      "question": "If 12 apples cost ₹144, what is the cost of 1 apple?",
      "options": { "A": "₹10", "B": "₹14", "C": "₹12", "D": "₹16" },
      "correct_answer": "C"
    },
    {
      "id": 46,
      "difficulty": "medium",
      "question": "If 15 notebooks cost ₹450, what is the cost of 3 notebooks?",
      "options": {
        "A": "₹90",
        "B": "₹75",
        "C": "₹150",
        "D": "₹120"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "medium",
      "question": "If 20 metres of cloth cost ₹600, what is the cost of 5 metres?",
      "options": { "A": "₹100", "B": "₹120", "C": "₹150", "D": "₹200" },
      "correct_answer": "C"
    },
    {
      "id": 48,
      "difficulty": "medium",
      "question": "If 9 kg sugar costs ₹405, what is the cost of 1 kg sugar?",
      "options": { "A": "₹40", "B": "₹50", "C": "₹45", "D": "₹55" },
      "correct_answer": "C"
    },
    {
      "id": 49,
      "difficulty": "medium",
      "question": "If 7 toys cost ₹560, what is the cost of 1 toy?",
      "options": { "A": "₹70", "B": "₹90", "C": "₹80", "D": "₹60" },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "medium",
      "question": "If 4 kg apples cost ₹320, what is the cost of 10 kg apples?",
      "options": { "A": "₹720", "B": "₹800", "C": "₹900", "D": "₹640" },
      "correct_answer": "B"
    },

    {
      "id": 81,
      "difficulty": "hard",
      "question": "If 12 workers can complete a work in 15 days, how many days will 1 worker take?",
      "options": {
        "A": "150 days",
        "B": "180 days",
        "C": "200 days",
        "D": "160 days"
      },
      "correct_answer": "B"
    },
    {
      "id": 82,
      "difficulty": "hard",
      "question": "If 8 machines produce 320 items in a day, how many items will 1 machine produce?",
      "options": { "A": "40", "B": "50", "C": "60", "D": "80" },
      "correct_answer": "A"
    },
    {
      "id": 83,
      "difficulty": "hard",
      "question": "If 15 kg rice costs ₹900, how much will 7 kg rice cost?",
      "options": {
        "A": "₹420",
        "B": "₹450",
        "C": "₹480",
        "D": "₹540"
      },
      "correct_answer": "A"
    },
    {
      "id": 84,
      "difficulty": "hard",
      "question": "If 9 buses carry 540 students, how many students does 1 bus carry?",
      "options": { "A": "50", "B": "55", "C": "60", "D": "65" },
      "correct_answer": "C"
    },
    {
      "id": 85,
      "difficulty": "hard",
      "question": "If 20 litres petrol costs ₹2200, what is the cost of 7 litres?",
      "options": { "A": "₹770", "B": "₹700", "C": "₹750", "D": "₹840" },
      "correct_answer": "A"
    },

    {
      "id": 86,
      "difficulty": "hard",
      "question": "If 6 men earn ₹540 in a day, how much will 1 man earn?",
      "options": { "A": "₹80", "B": "₹90", "C": "₹100", "D": "₹110" },
      "correct_answer": "B"
    },
    {
      "id": 87,
      "difficulty": "hard",
      "question": "If 18 packets weigh 54 kg, what is the weight of 1 packet?",
      "options": { "A": "2 kg", "B": "4 kg", "C": "3 kg", "D": "5 kg" },
      "correct_answer": "C"
    },
    {
      "id": 88,
      "difficulty": "hard",
      "question": "If 25 notebooks cost ₹1250, how much will 8 notebooks cost?",
      "options": { "A": "₹360", "B": "₹400", "C": "₹450", "D": "₹500" },
      "correct_answer": "B"
    },
    {
      "id": 89,
      "difficulty": "hard",
      "question": "If 7 kg apples cost ₹420, what is the cost of 15 kg apples?",
      "options": { "A": "₹850", "B": "₹880", "C": "₹900", "D": "₹920" },
      "correct_answer": "C"
    },
    {
      "id": 90,
      "difficulty": "hard",
      "question": "If 12 workers earn ₹3600 in a day, how much will 1 worker earn?",
      "options": { "A": "₹250", "B": "₹280", "C": "₹300", "D": "₹320" },
      "correct_answer": "C"
    }
  ]
}