{
  "title": "Bills and Receipts - Grade 4 CBSE",
  "total_questions": 60,
  "questions": [
 
    {"id": 1, "difficulty": "easy", "question": "A pencil costs ₹5. What is the cost of 2 pencils?", "options": {"A": "₹10", "B": "₹8", "C": "₹12", "D": "₹15"}, "correct_answer": "A"},
    {"id": 2, "difficulty": "easy", "question": "A notebook costs ₹25. What is the cost of 1 notebook?", "options": {"A": "₹20", "B": "₹25", "C": "₹30", "D": "₹35"}, "correct_answer": "B"},
    {"id": 3, "difficulty": "easy", "question": "If 1 pen costs ₹10, how much do 3 pens cost?", "options": {"A": "₹20", "B": "₹25", "C": "₹30", "D": "₹35"}, "correct_answer": "C"},
    {"id": 4, "difficulty": "easy", "question": "A ball costs ₹40. You give ₹50. How much change will you get?", "options": {"A": "₹5", "B": "₹7", "C": "₹8", "D": "₹10"}, "correct_answer": "D"},

    {"id": 5, "difficulty": "easy", "question": "A chocolate costs ₹15. What is the cost of 1 chocolate?", "options": {"A": "₹15", "B": "₹18", "C": "₹20", "D": "₹22"}, "correct_answer": "A"},
    {"id": 6, "difficulty": "easy", "question": "A toy costs ₹60. If you pay ₹70, what is the change?", "options": {"A": "₹5", "B": "₹8", "C": "₹10", "D": "₹12"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "If 2 erasers cost ₹6, what is the cost of 1 eraser?", "options": {"A": "₹2", "B": "₹3", "C": "₹4", "D": "₹5"}, "correct_answer": "C"},
    {"id": 8, "difficulty": "easy", "question": "A water bottle costs ₹80. What is the cost of 1 bottle?", "options": {"A": "₹70", "B": "₹75", "C": "₹80", "D": "₹85"}, "correct_answer": "D"},

    {"id": 9, "difficulty": "easy", "question": "A packet of chips costs ₹20. What is the cost of 2 packets?", "options": {"A": "₹40", "B": "₹30", "C": "₹25", "D": "₹35"}, "correct_answer": "A"},
    {"id": 10, "difficulty": "easy", "question": "A pencil box costs ₹50. What is the cost of 1 box?", "options": {"A": "₹40", "B": "₹50", "C": "₹55", "D": "₹60"}, "correct_answer": "B"},
    {"id": 11, "difficulty": "easy", "question": "If a burger costs ₹30, what is the cost of 3 burgers?", "options": {"A": "₹60", "B": "₹70", "C": "₹90", "D": "₹100"}, "correct_answer": "C"},
    {"id": 12, "difficulty": "easy", "question": "You pay ₹100 for a toy costing ₹70. What is the change?", "options": {"A": "₹15", "B": "₹25", "C": "₹30", "D": "₹35"}, "correct_answer": "D"},

    {"id": 13, "difficulty": "easy", "question": "A sandwich costs ₹25. What is the cost of 1 sandwich?", "options": {"A": "₹25", "B": "₹30", "C": "₹35", "D": "₹40"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "A pen costs ₹12. What is the cost of 2 pens?", "options": {"A": "₹20", "B": "₹22", "C": "₹24", "D": "₹26"}, "correct_answer": "B"},
    {"id": 15, "difficulty": "easy", "question": "A bottle costs ₹45. If you pay ₹100, what is the change?", "options": {"A": "₹40", "B": "₹45", "C": "₹55", "D": "₹60"}, "correct_answer": "C"},
    {"id": 16, "difficulty": "easy", "question": "If 1 banana costs ₹5, what is the cost of 4 bananas?", "options": {"A": "₹15", "B": "₹18", "C": "₹20", "D": "₹25"}, "correct_answer": "D"},

    {"id": 17, "difficulty": "easy", "question": "A cupcake costs ₹18. What is the price of 1 cupcake?", "options": {"A": "₹18", "B": "₹20", "C": "₹22", "D": "₹24"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "If 3 pens cost ₹45, what is the cost of 1 pen?", "options": {"A": "₹10", "B": "₹12", "C": "₹15", "D": "₹18"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "A toy train costs ₹150. What is the cost of 1 train?", "options": {"A": "₹130", "B": "₹140", "C": "₹150", "D": "₹160"}, "correct_answer": "C"},
    {"id": 20, "difficulty": "easy", "question": "You buy a book for ₹85 and pay ₹100. Change returned?", "options": {"A": "₹10", "B": "₹12", "C": "₹15", "D": "₹20"}, "correct_answer": "D"},

 
    {"id": 21, "difficulty": "medium", "question": "Ravi buys 3 pens at ₹12 each. Total cost?", "options": {"A": "₹36", "B": "₹38", "C": "₹40", "D": "₹42"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "A bill shows: Milk ₹40, Bread ₹25, Butter ₹35. Total?", "options": {"A": "₹95", "B": "₹100", "C": "₹105", "D": "₹110"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "A toy costs ₹85 and a book costs ₹60. Total?", "options": {"A": "₹130", "B": "₹140", "C": "₹145", "D": "₹150"}, "correct_answer": "C"},
    {"id": 24, "difficulty": "medium", "question": "A pizza ₹120, a drink ₹40. Total cost?", "options": {"A": "₹150", "B": "₹160", "C": "₹165", "D": "₹170"}, "correct_answer": "D"},

    {"id": 25, "difficulty": "medium", "question": "If 5 kg rice costs ₹200, cost of 1 kg?", "options": {"A": "₹40", "B": "₹42", "C": "₹45", "D": "₹48"}, "correct_answer": "A"},
    {"id": 26, "difficulty": "medium", "question": "Bill: Soap ₹25, Shampoo ₹60, Oil ₹55. Total?", "options": {"A": "₹135", "B": "₹140", "C": "₹145", "D": "₹150"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "4 notebooks at ₹20 each. Total cost?", "options": {"A": "₹60", "B": "₹70", "C": "₹80", "D": "₹90"}, "correct_answer": "C"},
    {"id": 28, "difficulty": "medium", "question": "If a burger costs ₹50, what is cost of 4?", "options": {"A": "₹180", "B": "₹190", "C": "₹200", "D": "₹210"}, "correct_answer": "D"},

    {"id": 29, "difficulty": "medium", "question": "8 chocolates cost ₹96. Price of 1?", "options": {"A": "₹12", "B": "₹14", "C": "₹16", "D": "₹18"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "Bill: Fruits ₹120, Veg ₹80, Milk ₹40. Total?", "options": {"A": "₹230", "B": "₹240", "C": "₹250", "D": "₹260"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "2 shirts at ₹350 each. Total?", "options": {"A": "₹600", "B": "₹650", "C": "₹700", "D": "₹720"}, "correct_answer": "C"},
    {"id": 32, "difficulty": "medium", "question": "12 eggs cost ₹60. Price of 6 eggs?", "options": {"A": "₹25", "B": "₹30", "C": "₹35", "D": "₹40"}, "correct_answer": "D"},

    {"id": 33, "difficulty": "medium", "question": "A bill: Tea ₹65, Coffee ₹85, Sugar ₹40. Total?", "options": {"A": "₹185", "B": "₹190", "C": "₹195", "D": "₹200"}, "correct_answer": "A"},
    {"id": 34, "difficulty": "medium", "question": "5 pens at ₹15 each and 4 pencils at ₹8 each. Total?", "options": {"A": "₹95", "B": "₹102", "C": "₹107", "D": "₹112"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "10 m cloth costs ₹400. Cost of 3 m?", "options": {"A": "₹100", "B": "₹110", "C": "₹120", "D": "₹130"}, "correct_answer": "C"},
    {"id": 36, "difficulty": "medium", "question": "Rice ₹150, Wheat ₹80, Pulses ₹120. Total?", "options": {"A": "₹330", "B": "₹340", "C": "₹350", "D": "₹360"}, "correct_answer": "D"},

    {"id": 37, "difficulty": "medium", "question": "2 toys ₹125 each, 3 books ₹45 each. Total?", "options": {"A": "₹290", "B": "₹295", "C": "₹305", "D": "₹310"}, "correct_answer": "A"},
    {"id": 38, "difficulty": "medium", "question": "18 oranges cost ₹90. Cost of 10 oranges?", "options": {"A": "₹40", "B": "₹45", "C": "₹50", "D": "₹55"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "Bill: Shirt ₹280, Trouser ₹320, Belt ₹95. Total?", "options": {"A": "₹685", "B": "₹695", "C": "₹700", "D": "₹710"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "16 ice creams cost ₹240. Cost of 10?", "options": {"A": "₹120", "B": "₹130", "C": "₹140", "D": "₹150"}, "correct_answer": "D"},

 
    {"id": 41, "difficulty": "hard", "question": "Restaurant bill: Appetizers ₹185, Main ₹425, Desserts ₹95. Total?", "options": {"A": "₹705", "B": "₹715", "C": "₹725", "D": "₹735"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "hard", "question": "Rohan: Shirts ₹280×3, Pants ₹450×2. Total bill?", "options": {"A": "₹1740", "B": "₹1760", "C": "₹1780", "D": "₹1800"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "hard", "question": "Grocery: Rice ₹120, Wheat ₹85, Sugar ₹45, Oil ₹95. Total?", "options": {"A": "₹335", "B": "₹340", "C": "₹345", "D": "₹350"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "hard", "question": "Fruits: Apples ₹60×5, Oranges ₹45×3. Total?", "options": {"A": "₹465", "B": "₹480", "C": "₹495", "D": "₹510"}, "correct_answer": "D"},

    {"id": 45, "difficulty": "hard", "question": "Mall bill: Clothes ₹1250, Shoes ₹850. GST 12%. Total?", "options": {"A": "₹2240", "B": "₹2360", "C": "₹2476", "D": "₹2520"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "hard", "question": "Raj: Notebooks ₹35×4, Pens ₹15×3. Discount 10%. Payable?", "options": {"A": "₹144", "B": "₹152", "C": "₹160", "D": "₹168"}, "correct_answer": "B"},
    {"id": 47, "difficulty": "hard", "question": "Dinner bill: Food ₹685, Drinks ₹115, Dessert ₹85. Service 8%. Total?", "options": {"A": "₹944.40", "B": "₹946.20", "C": "₹948.40", "D": "₹950.20"}, "correct_answer": "C"},
    {"id": 48, "difficulty": "hard", "question": "Priya: Dresses ₹450×2, Tops ₹180×3, Bag ₹320. Paid ₹2000. Change?", "options": {"A": "₹140", "B": "₹150", "C": "₹160", "D": "₹170"}, "correct_answer": "D"},

    {"id": 49, "difficulty": "hard", "question": "Grocery: Veg ₹135, Fruits ₹185, Dairy ₹95, Grains ₹120. Total?", "options": {"A": "₹525", "B": "₹535", "C": "₹555", "D": "₹575"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "hard", "question": "Ravi: Rice ₹42×5, Sugar ₹38×3, Salt ₹18×2. Total?", "options": {"A": "₹370", "B": "₹380", "C": "₹390", "D": "₹400"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "hard", "question": "Electronics: ₹2500 + Furniture: ₹1800 + Decor: ₹450. GST 18%. Total?", "options": {"A": "₹5641", "B": "₹5651", "C": "₹5661", "D": "₹5671"}, "correct_answer": "C"},
    {"id": 52, "difficulty": "hard", "question": "Sonia: Books ₹120×3, Copies ₹25×4. Discount 15%. Payable?", "options": {"A": "₹377.50", "B": "₹379.50", "C": "₹381.50", "D": "₹383.50"}, "correct_answer": "D"},

    {"id": 53, "difficulty": "hard", "question": "Restaurant: Lunch ₹450, Dinner ₹380, Drinks ₹95. Service 10%. Total?", "options": {"A": "₹1035", "B": "₹1045", "C": "₹1055", "D": "₹1065"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "hard", "question": "Cloth: ₹85×4 + ₹65×3. Paid ₹600. Change?", "options": {"A": "₹40", "B": "₹45", "C": "₹50", "D": "₹55"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "hard", "question": "Mobile ₹8000, Case ₹200, Charger ₹150, Headphones ₹400. GST 12%. Total?", "options": {"A": "₹9416", "B": "₹9428", "C": "₹9448", "D": "₹9456"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "hard", "question": "Fruits ₹55×5, Vegetables ₹32×3, Nuts ₹120×2. Total?", "options": {"A": "₹545", "B": "₹555", "C": "₹565", "D": "₹575"}, "correct_answer": "D"},

    {"id": 57, "difficulty": "hard", "question": "Bill: Paint ₹800, Furniture ₹2500, Labor ₹1200. Total?", "options": {"A": "₹4300", "B": "₹4400", "C": "₹4500", "D": "₹4600"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "hard", "question": "Wheat ₹28×10, Rice ₹35×8. Total?", "options": {"A": "₹480", "B": "₹500", "C": "₹520", "D": "₹540"}, "correct_answer": "B"},
    {"id": 59, "difficulty": "hard", "question": "If 144 chocolates cost ₹720, price of 65 chocolates?", "options": {"A": "₹310", "B": "₹325", "C": "₹325", "D": "₹335"}, "correct_answer": "C"},
    {"id": 60, "difficulty": "hard", "question": "Sonia: Dresses ₹280×3, Bags ₹180×2, Shoes ₹450. Discount 20%. Payable?", "options": {"A": "₹1168", "B": "₹1180", "C": "₹1190", "D": "₹1200"}, "correct_answer": "D"}
  ]
}