{
  "title": "Simple Bills and Change - Grade 3 CBSE",
  "total_questions": 60,
  "questions": [



    {"id": 1, "difficulty": "easy",
      "question": "A pencil costs ₹5. You give ₹10. How much change do you get?",
      "options": {"A": "₹5", "B": "₹4", "C": "₹3", "D": "₹2"},
      "correct_answer": "A"
    },

    {"id": 2, "difficulty": "easy",
      "question": "You pay ₹20 for a toy costing ₹15. How much money is returned?",
      "options": {"A": "₹3", "B": "₹6", "C": "₹5", "D": "₹10"},
      "correct_answer": "D"
    },

    {"id": 3, "difficulty": "easy",
      "question": "A chocolate costs ₹12. You give ₹20. Change?",
      "options": {"A": "₹5", "B": "₹9", "C": "₹8", "D": "₹6"},
      "correct_answer": "C"
    },

    {"id": 4, "difficulty": "easy",
      "question": "A notebook costs ₹18. You pay ₹20. Change received?",
      "options": {"A": "₹1", "B": "₹2", "C": "₹5", "D": "₹4"},
      "correct_answer": "B"
    },

    {"id": 5, "difficulty": "easy",
      "question": "A toy car costs ₹25. You give ₹50. How much change?",
      "options": {"A": "₹30", "B": "₹20", "C": "₹15", "D": "₹25"},
      "correct_answer": "D"
    },

    {"id": 6, "difficulty": "easy",
      "question": "You buy a pen for ₹10 and pay with ₹20. Change?",
      "options": {"A": "₹5", "B": "₹9", "C": "₹10", "D": "₹7"},
      "correct_answer": "C"
    },

    {"id": 7, "difficulty": "easy",
      "question": "A ball costs ₹40. You pay ₹50. How much money back?",
      "options": {"A": "₹10", "B": "₹8", "C": "₹5", "D": "₹12"},
      "correct_answer": "B"
    },

    {"id": 8, "difficulty": "easy",
      "question": "A ruler costs ₹8. You give ₹10. Change?",
      "options": {"A": "₹1", "B": "₹2", "C": "₹3", "D": "₹5"},
      "correct_answer": "B"
    },

    {"id": 9, "difficulty": "easy",
      "question": "You pay ₹20 for something costing ₹12. Change?",
      "options": {"A": "₹6", "B": "₹9", "C": "₹8", "D": "₹5"},
      "correct_answer": "C"
    },

    {"id": 10, "difficulty": "easy",
      "question": "A sharpener is ₹7. You pay with ₹10. Change?",
      "options": {"A": "₹1", "B": "₹2", "C": "₹3", "D": "₹5"},
      "correct_answer": "D"
    },

    {"id": 11, "difficulty": "easy",
      "question": "You buy a toy for ₹30 and give ₹50. Change?",
      "options": {"A": "₹20", "B": "₹18", "C": "₹15", "D": "₹22"},
      "correct_answer": "D"
    },

    {"id": 12, "difficulty": "easy",
      "question": "A book is ₹22. You give ₹25. How much change?",
      "options": {"A": "₹4", "B": "₹2", "C": "₹3", "D": "₹1"},
      "correct_answer": "A"
    },

    {"id": 13, "difficulty": "easy",
      "question": "A toy costs ₹28. You pay ₹30. Change?",
      "options": {"A": "₹3", "B": "₹2", "C": "₹1", "D": "₹4"},
      "correct_answer": "D"
    },

    {"id": 14, "difficulty": "easy",
      "question": "You give ₹20 for a packet costing ₹15. Change?",
      "options": {"A": "₹3", "B": "₹4", "C": "₹5", "D": "₹6"},
      "correct_answer": "C"
    },

    {"id": 15, "difficulty": "easy",
      "question": "A cake costs ₹42. You pay with ₹50. How much back?",
      "options": {"A": "₹6", "B": "₹7", "C": "₹8", "D": "₹9"},
      "correct_answer": "B"
    },

    {"id": 16, "difficulty": "easy",
      "question": "A toy costs ₹45. You give ₹50. Change?",
      "options": {"A": "₹6", "B": "₹5", "C": "₹4", "D": "₹3"},
      "correct_answer": "A"
    },

    {"id": 17, "difficulty": "easy",
      "question": "A shirt costs ₹48. You pay ₹50. Change?",
      "options": {"A": "₹3", "B": "₹2", "C": "₹1", "D": "₹4"},
      "correct_answer": "D"
    },

    {"id": 18, "difficulty": "easy",
      "question": "An item costs ₹55. You pay ₹60. Money back?",
      "options": {"A": "₹4", "B": "₹6", "C": "₹5", "D": "₹7"},
      "correct_answer": "B"
    },

    {"id": 19, "difficulty": "easy",
      "question": "A toy costs ₹33. You give ₹50. Change?",
      "options": {"A": "₹16", "B": "₹15", "C": "₹17", "D": "₹18"},
      "correct_answer": "C"
    },

    {"id": 20, "difficulty": "easy",
      "question": "A water bottle costs ₹32. You pay ₹40. Change?",
      "options": {"A": "₹10", "B": "₹7", "C": "₹8", "D": "₹9"},
      "correct_answer": "A"
    },


    {"id": 21, "difficulty": "medium",
      "question": "A toy is ₹75. You give ₹100. Change?",
      "options": {"A": "₹20", "B": "₹30", "C": "₹25", "D": "₹15"},
      "correct_answer": "A"
    },

    {"id": 22, "difficulty": "medium",
      "question": "A book costs ₹120. You pay ₹150. Change?",
      "options": {"A": "₹15", "B": "₹25", "C": "₹20", "D": "₹30"},
      "correct_answer": "D"
    },

    {"id": 23, "difficulty": "medium",
      "question": "A bag costs ₹85. You give ₹100. Change?",
      "options": {"A": "₹18", "B": "₹12", "C": "₹15", "D": "₹10"},
      "correct_answer": "C"
    },

    {"id": 24, "difficulty": "medium",
      "question": "Shoes cost ₹250. You pay ₹300. Change?",
      "options": {"A": "₹45", "B": "₹40", "C": "₹50", "D": "₹55"},
      "correct_answer": "B"
    },

    {"id": 25, "difficulty": "medium",
      "question": "You buy a watch for ₹180 and give ₹200. Change?",
      "options": {"A": "₹25", "B": "₹18", "C": "₹20", "D": "₹15"},
      "correct_answer": "D"
    },

    {"id": 26, "difficulty": "medium",
      "question": "A school bag costs ₹220. You give ₹250. Change?",
      "options": {"A": "₹35", "B": "₹40", "C": "₹30", "D": "₹25"},
      "correct_answer": "C"
    },

    {"id": 27, "difficulty": "medium",
      "question": "A calculator costs ₹95. You give ₹100. Change?",
      "options": {"A": "₹4", "B": "₹3", "C": "₹5", "D": "₹2"},
      "correct_answer": "B"
    },

    {"id": 28, "difficulty": "medium",
      "question": "A football costs ₹150. You pay ₹200. Change?",
      "options": {"A": "₹45", "B": "₹30", "C": "₹50", "D": "₹55"},
      "correct_answer": "B"
    },

    {"id": 29, "difficulty": "medium",
      "question": "A dress costs ₹175. You give ₹200. Change?",
      "options": {"A": "₹22", "B": "₹20", "C": "₹25", "D": "₹28"},
      "correct_answer": "A"
    },

    {"id": 30, "difficulty": "medium",
      "question": "A bike costs ₹800. You pay ₹1000. Change?",
      "options": {"A": "₹190", "B": "₹180", "C": "₹200", "D": "₹220"},
      "correct_answer": "D"
    },

    {"id": 31, "difficulty": "medium",
      "question": "A phone costs ₹1,500. You give ₹2,000. Change?",
      "options": {"A": "₹550", "B": "₹450", "C": "₹500", "D": "₹400"},
      "correct_answer": "C"
    },

    {"id": 32, "difficulty": "medium",
      "question": "A TV costs ₹5,000. You pay ₹5,500. Change?",
      "options": {"A": "₹500", "B": "₹400", "C": "₹600", "D": "₹450"},
      "correct_answer": "B"
    },

    {"id": 33, "difficulty": "medium",
      "question": "Laptop costs ₹12,000. You give ₹15,000. Change?",
      "options": {"A": "₹2,800", "B": "₹2,500", "C": "₹3,000", "D": "₹3,200"},
      "correct_answer": "B"
    },

    {"id": 34, "difficulty": "medium",
      "question": "Fridge is ₹8,000. You pay ₹10,000. Change?",
      "options": {"A": "₹1,500", "B": "₹1,800", "C": "₹2,000", "D": "₹2,200"},
      "correct_answer": "B"
    },

    {"id": 35, "difficulty": "medium",
      "question": "Washing machine costs ₹6,500. You give ₹7,000. Change?",
      "options": {"A": "₹450", "B": "₹500", "C": "₹550", "D": "₹400"},
      "correct_answer": "A"
    },

    {"id": 36, "difficulty": "medium",
      "question": "Camera costs ₹3,200. You pay ₹4,000. Change?",
      "options": {"A": "₹800", "B": "₹700", "C": "₹900", "D": "₹600"},
      "correct_answer": "D"
    },

    {"id": 37, "difficulty": "medium",
      "question": "Tablet is ₹4,500. You give ₹5,000. Change?",
      "options": {"A": "₹450", "B": "₹400", "C": "₹550", "D": "₹500"},
      "correct_answer": "D"
    },

    {"id": 38, "difficulty": "medium",
      "question": "Microwave costs ₹2,800. You pay ₹3,000. Change?",
      "options": {"A": "₹150", "B": "₹180", "C": "₹200", "D": "₹120"},
      "correct_answer": "B"
    },

    {"id": 39, "difficulty": "medium",
      "question": "Mixer grinder is ₹1,200. You give ₹1,500. Change?",
      "options": {"A": "₹250", "B": "₹280", "C": "₹300", "D": "₹320"},
      "correct_answer": "C"
    },

    {"id": 40, "difficulty": "medium",
      "question": "A toaster costs ₹900. You pay ₹1,000. Change?",
      "options": {"A": "₹90", "B": "₹80", "C": "₹100", "D": "₹110"},
      "correct_answer": "A"
    },


    {"id": 41, "difficulty": "hard",
      "question": "Items cost ₹125, ₹75 and ₹50. You give ₹300. Change?",
      "options": {"A": "₹40", "B": "₹45", "C": "₹50", "D": "₹55"},
      "correct_answer": "A"
    },

    {"id": 42, "difficulty": "hard",
      "question": "A shirt ₹225, pants ₹175, belt ₹50. Pay ₹500. Change?",
      "options": {"A": "₹55", "B": "₹40", "C": "₹50", "D": "₹45"},
      "correct_answer": "D"
    },

    {"id": 43, "difficulty": "hard",
      "question": "Groceries: ₹320, ₹180, ₹100. You give ₹700. Change?",
      "options": {"A": "₹105", "B": "₹95", "C": "₹100", "D": "₹90"},
      "correct_answer": "C"
    },

    {"id": 44, "difficulty": "hard",
      "question": "TV ₹12,500, DVD ₹2,500, speakers ₹1,000. Pay ₹20,000. Change?",
      "options": {"A": "₹3,800", "B": "₹3,500", "C": "₹4,000", "D": "₹4,200"},
      "correct_answer": "B"
    },

    {"id": 45, "difficulty": "hard",
      "question": "Computer ₹25,000, printer ₹5,000, software ₹2,000. Pay ₹35,000. Change?",
      "options": {"A": "₹2,500", "B": "₹2,800", "C": "₹3,000", "D": "₹3,200"},
      "correct_answer": "B"
    },

    {"id": 46, "difficulty": "hard",
      "question": "Sofa ₹8,000, table ₹2,000, chairs ₹1,000. Pay ₹12,000. Change?",
      "options": {"A": "₹950", "B": "₹900", "C": "₹1,000", "D": "₹850"},
      "correct_answer": "B"
    },

    {"id": 47, "difficulty": "hard",
      "question": "Bed ₹7,500, mattress ₹2,500, pillows ₹500. Pay ₹11,000. Change?",
      "options": {"A": "₹450", "B": "₹550", "C": "₹500", "D": "₹400"},
      "correct_answer": "A"
    },

    {"id": 48, "difficulty": "hard",
      "question": "Dining ₹15,000, curtains ₹2,000, carpet ₹3,000. Pay ₹25,000. Change?",
      "options": {"A": "₹4,500", "B": "₹4,800", "C": "₹5,000", "D": "₹5,200"},
      "correct_answer": "D"
    },

    {"id": 49, "difficulty": "hard",
      "question": "Fridge ₹10,000, washing machine ₹8,000, microwave ₹2,000. Pay ₹25,000. Change?",
      "options": {"A": "₹4,800", "B": "₹4,500", "C": "₹5,000", "D": "₹5,200"},
      "correct_answer": "B"
    },

    {"id": 50, "difficulty": "hard",
      "question": "Car ₹2,50,000, insurance ₹10,000, registration ₹5,000. Pay ₹3,00,000. Change?",
      "options": {"A": "₹34,500", "B": "₹34,000", "C": "₹35,000", "D": "₹35,500"},
      "correct_answer": "A"
    },

    {"id": 51, "difficulty": "hard",
      "question": "House ₹15,00,000 + fees ₹75,000. Pay ₹16,00,000. Change?",
      "options": {"A": "₹23,000", "B": "₹24,000", "C": "₹25,000", "D": "₹26,000"},
      "correct_answer": "D"
    },

    {"id": 52, "difficulty": "hard",
      "question": "Business ₹5,00,000 + licenses ₹50,000 + equipment ₹1,50,000. Pay ₹7,50,000. Change?",
      "options": {"A": "₹48,000", "B": "₹49,000", "C": "₹50,000", "D": "₹51,000"},
      "correct_answer": "C"
    },

    {"id": 53, "difficulty": "hard",
      "question": "Materials ₹2,25,000 + labour ₹75,000 + transport ₹25,000. Pay ₹3,50,000. Change?",
      "options": {"A": "₹24,500", "B": "₹24,000", "C": "₹25,000", "D": "₹25,500"},
      "correct_answer": "C"
    },

    {"id": 54, "difficulty": "hard",
      "question": "Project ₹12,00,000 + design ₹1,50,000 + testing ₹50,000. Pay ₹14,50,000. Change?",
      "options": {"A": "₹49,000", "B": "₹48,000", "C": "₹50,000", "D": "₹51,000"},
      "correct_answer": "B"
    },

    {"id": 55, "difficulty": "hard",
      "question": "Machinery ₹8,00,000 + installation ₹1,00,000 + maintenance ₹50,000. Pay ₹10,00,000. Change?",
      "options": {"A": "₹48,000", "B": "₹49,000", "C": "₹50,000", "D": "₹51,000"},
      "correct_answer": "D"
    },

    {"id": 56, "difficulty": "hard",
      "question": "Construction ₹25,00,000 + materials ₹5,00,000 + labour ₹2,00,000. Pay ₹35,00,000. Change?",
      "options": {"A": "₹3,00,000", "B": "₹2,99,000", "C": "₹3,01,000", "D": "₹2,98,000"},
      "correct_answer": "B"
    },

    {"id": 57, "difficulty": "hard",
      "question": "Property ₹30,00,000 + legal ₹1,00,000 + agent ₹50,000. Pay ₹32,00,000. Change?",
      "options": {"A": "₹49,000", "B": "₹48,000", "C": "₹50,000", "D": "₹51,000"},
      "correct_answer": "A"
    },

    {"id": 58, "difficulty": "hard",
      "question": "Company buy ₹50,00,000 + due ₹2,00,000 + fees ₹1,00,000. Pay ₹55,00,000. Change?",
      "options": {"A": "₹1,98,000", "B": "₹1,99,000", "C": "₹2,00,000", "D": "₹2,01,000"},
      "correct_answer": "A"
    },

    {"id": 59, "difficulty": "hard",
      "question": "Stocks ₹1,00,000 + bonds ₹50,000 + MF ₹25,000. Pay ₹2,00,000. Change?",
      "options": {"A": "₹24,000", "B": "₹24,500", "C": "₹25,000", "D": "₹25,500"},
      "correct_answer": "D"
    },

    {"id": 60, "difficulty": "hard",
      "question": "Portfolio ₹5,00,000 + fees ₹25,000 + charges ₹10,000. Pay ₹5,50,000. Change?",
      "options": {"A": "₹14,000", "B": "₹14,500", "C": "₹15,000", "D": "₹15,500"},
      "correct_answer": "A"
    }

  ]
}