{
  "title": "Simple Problems (Percentage) - Grade 5 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "What is 50% of 100? 🎯",
      "options": { "A": "25", "B": "50", "C": "75", "D": "100" },
      "correct_answer": "B"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "If you score 80 out of 100 in a test, what is your percentage? 📝",
      "options": { "A": "70%", "B": "80%", "C": "85%", "D": "90%" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "What is 25% of 200? 🔢",
      "options": { "A": "25", "B": "50", "C": "75", "D": "100" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "A pizza 🍕 has 8 slices. If you eat 2 slices, what percentage did you eat?",
      "options": { "A": "20%", "B": "25%", "C": "30%", "D": "35%" },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "What is 10% of 500? 🎈",
      "options": { "A": "5", "B": "10", "C": "50", "D": "100" },
      "correct_answer": "C"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "If there are 20 marbles and 5 are red, what percentage are red? 🔴",
      "options": { "A": "10%", "B": "20%", "C": "25%", "D": "30%" },
      "correct_answer": "C"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "What is 100% of 75? ✅",
      "options": { "A": "50", "B": "75", "C": "100", "D": "125" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "A book has 50 pages. If you read 10 pages, what percentage have you read? 📖",
      "options": { "A": "10%", "B": "20%", "C": "30%", "D": "40%" },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "What is 1% of 300? 🎲",
      "options": { "A": "1", "B": "2", "C": "3", "D": "4" },
      "correct_answer": "C"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "If a class has 40 students and 10 are absent, what percentage is present? 👩‍🎓",
      "options": { "A": "60%", "B": "70%", "C": "75%", "D": "80%" },
      "correct_answer": "C"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "What is 75% of 80? 🧮",
      "options": { "A": "40", "B": "50", "C": "60", "D": "70" },
      "correct_answer": "C"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "A basket has 12 fruits 🍎. If 3 are rotten, what percentage is good?",
      "options": { "A": "65%", "B": "70%", "C": "75%", "D": "80%" },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "What is 20% of 150? 🎪",
      "options": { "A": "20", "B": "25", "C": "30", "D": "35" },
      "correct_answer": "C"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "If you save ₹20 out of ₹50, what percentage did you save? 💰",
      "options": { "A": "30%", "B": "40%", "C": "50%", "D": "60%" },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "What is 5% of 400? 🔟",
      "options": { "A": "10", "B": "15", "C": "20", "D": "25" },
      "correct_answer": "C"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "A toy costs ₹200. If you get a 10% discount, how much do you save? 🧸",
      "options": { "A": "₹10", "B": "₹15", "C": "₹20", "D": "₹25" },
      "correct_answer": "C"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "What is 60% of 90? 🔢",
      "options": { "A": "48", "B": "54", "C": "60", "D": "66" },
      "correct_answer": "B"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "If 30 out of 50 questions are correct, what is the percentage score? ✔️",
      "options": { "A": "50%", "B": "55%", "C": "60%", "D": "65%" },
      "correct_answer": "C"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "What is 15% of 60? 🎯",
      "options": { "A": "6", "B": "9", "C": "12", "D": "15" },
      "correct_answer": "B"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "A shirt is marked ₹500. If 20% tax is added, what is the tax amount? 👔",
      "options": { "A": "₹50", "B": "₹75", "C": "₹100", "D": "₹125" },
      "correct_answer": "C"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "Ravi scored 45 out of 60 in math. What is his percentage? ➗",
      "options": { "A": "70%", "B": "75%", "C": "80%", "D": "85%" },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "A shop offers 25% discount on a ₹800 bag. What is the discount amount? 👜",
      "options": { "A": "₹150", "B": "₹200", "C": "₹250", "D": "₹300" },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "If 40% of a number is 80, what is the number? 🔍",
      "options": { "A": "150", "B": "180", "C": "200", "D": "220" },
      "correct_answer": "C"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "A cake 🎂 is cut into 20 pieces. If 12 pieces are eaten, what percentage remains?",
      "options": { "A": "30%", "B": "35%", "C": "40%", "D": "45%" },
      "correct_answer": "C"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "In a survey of 200 people, 55% like chocolate. How many people like chocolate? 🍫",
      "options": { "A": "90", "B": "100", "C": "110", "D": "120" },
      "correct_answer": "C"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "If the price of a book increases from ₹200 to ₹250, what is the percentage increase? 📚",
      "options": { "A": "20%", "B": "25%", "C": "30%", "D": "35%" },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "A student got 72 marks out of 80. What is the percentage? 🏆",
      "options": { "A": "85%", "B": "88%", "C": "90%", "D": "92%" },
      "correct_answer": "C"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "If 30% of students in a class of 50 are girls, how many girls are there? 👧",
      "options": { "A": "10", "B": "12", "C": "15", "D": "18" },
      "correct_answer": "C"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "A phone's battery 🔋 was 100%. After use, it is 35%. What percentage was used?",
      "options": { "A": "55%", "B": "60%", "C": "65%", "D": "70%" },
      "correct_answer": "C"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "If 15% of a number is 45, what is 30% of that number? 🔢",
      "options": { "A": "60", "B": "75", "C": "90", "D": "120" },
      "correct_answer": "C"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "A shirt costs ₹600 after a 20% discount. What was its original price? 👕",
      "options": { "A": "₹700", "B": "₹720", "C": "₹750", "D": "₹800" },
      "correct_answer": "C"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "In a garden 🌻, 60% of 150 plants are flowers. How many are flowers?",
      "options": { "A": "75", "B": "80", "C": "85", "D": "90" },
      "correct_answer": "D"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "If a car travels 240 km out of 300 km, what percentage of the journey is left? 🚗",
      "options": { "A": "15%", "B": "20%", "C": "25%", "D": "30%" },
      "correct_answer": "B"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "A box has 40 chocolates. If 25% are dark chocolate, how many are dark? 🍫",
      "options": { "A": "8", "B": "10", "C": "12", "D": "15" },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "If 20% of a number is 50, what is the number? 🎲",
      "options": { "A": "200", "B": "225", "C": "250", "D": "275" },
      "correct_answer": "C"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "A test has 25 questions. If you answer 80% correctly, how many are correct? ✅",
      "options": { "A": "18", "B": "20", "C": "22", "D": "24" },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "A fruit seller sold 70% of 200 apples. How many are left? 🍎",
      "options": { "A": "40", "B": "50", "C": "60", "D": "70" },
      "correct_answer": "C"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "If the population of a town increased from 2000 to 2500, what is the percentage increase? 🏘️",
      "options": { "A": "20%", "B": "25%", "C": "30%", "D": "35%" },
      "correct_answer": "B"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "A recipe requires 2 cups of flour. If you use only 75%, how much flour is used? 🧁",
      "options": {
        "A": "1.25 cups",
        "B": "1.5 cups",
        "C": "1.75 cups",
        "D": "2 cups"
      },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "If 45 out of 60 students passed, what percentage failed? ❌",
      "options": { "A": "20%", "B": "25%", "C": "30%", "D": "35%" },
      "correct_answer": "B"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "If the price of sugar increases by 20% and now costs ₹60 per kg, what was the original price? 🍬",
      "options": { "A": "₹48", "B": "₹50", "C": "₹52", "D": "₹55" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "A number increased by 25% gives 150. What is the number? 🔢",
      "options": { "A": "110", "B": "115", "C": "120", "D": "125" },
      "correct_answer": "C"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "In an election, candidate A got 55% of 12000 votes. How many votes did B get if there were only two candidates? 🗳️",
      "options": { "A": "5000", "B": "5200", "C": "5400", "D": "5600" },
      "correct_answer": "C"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "If the length of a rectangle is increased by 20% and width decreased by 20%, what is the net percentage change in area? 📐",
      "options": {
        "A": "4% decrease",
        "B": "4% increase",
        "C": "No change",
        "D": "2% decrease"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "A's salary is 40% more than B's. If B's salary is ₹25000, what is A's salary? 💼",
      "options": { "A": "₹33000", "B": "₹34000", "C": "₹35000", "D": "₹36000" },
      "correct_answer": "C"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "If 30% of a number is subtracted from itself, the result is 175. Find the number. ➖",
      "options": { "A": "220", "B": "240", "C": "250", "D": "280" },
      "correct_answer": "C"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "A shopkeeper marks an item 30% above cost price and gives 10% discount. What is the profit percentage? 🏪",
      "options": { "A": "15%", "B": "16%", "C": "17%", "D": "18%" },
      "correct_answer": "C"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "In a class, 60% are boys. If there are 18 girls, how many students are there? 👦👧",
      "options": { "A": "40", "B": "42", "C": "45", "D": "48" },
      "correct_answer": "C"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "If 20% of (A + B) = 50% of (A - B), find A:B. 🤔",
      "options": { "A": "2:3", "B": "3:2", "C": "7:3", "D": "5:2" },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "The price of an item decreased by 20% and then increased by 25%. What is the net percentage change? 🔄",
      "options": {
        "A": "0%",
        "B": "2% increase",
        "C": "4% increase",
        "D": "5% increase"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "If the side of a square is increased by 30%, by what percentage does its area increase? ⬛",
      "options": { "A": "60%", "B": "69%", "C": "70%", "D": "75%" },
      "correct_answer": "B"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "A mixture contains milk and water in the ratio 5:3. What percentage is milk? 🥛",
      "options": { "A": "60%", "B": "62.5%", "C": "65%", "D": "67.5%" },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "In an exam, a student must get 40% to pass. He gets 120 marks and fails by 40 marks. What are the maximum marks? 📝",
      "options": { "A": "350", "B": "400", "C": "450", "D": "500" },
      "correct_answer": "B"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "If 20% of A = 30% of B = 1/6 of C, then A:B:C = ? 🔢",
      "options": {
        "A": "15:10:18",
        "B": "12:8:15",
        "C": "10:15:18",
        "D": "18:12:15"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "A number is first increased by 10% and then decreased by 10%. What is the net change? 🔄",
      "options": {
        "A": "1% decrease",
        "B": "1% increase",
        "C": "2% decrease",
        "D": "No change"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "If the selling price of 10 articles equals the cost price of 12 articles, find the profit percentage. 💰",
      "options": { "A": "15%", "B": "18%", "C": "20%", "D": "25%" },
      "correct_answer": "C"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "In a town, the population increased by 10% in the first year and decreased by 10% in the second year. What is the net percentage change? 🏘️",
      "options": {
        "A": "1% decrease",
        "B": "1% increase",
        "C": "2% decrease",
        "D": "No change"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "If 25% of a number is 125, what is 45% of that number? 🎯",
      "options": { "A": "200", "B": "225", "C": "250", "D": "275" },
      "correct_answer": "B"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "A's income is 25% more than B's. By what percentage is B's income less than A's? 💵",
      "options": { "A": "18%", "B": "20%", "C": "22%", "D": "25%" },
      "correct_answer": "B"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "If the radius of a circle is increased by 20%, by what percentage does its area increase? 🔵",
      "options": { "A": "40%", "B": "44%", "C": "48%", "D": "50%" },
      "correct_answer": "B"
    }
  ]
}
