{
  "title": "Word Problems (Algebra) - Grade 8 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "A number increased by 7 gives 15. What is the number? 🔢",
      "options": { "A": "8", "B": "22", "C": "9", "D": "10" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Twice a number is 18. Find the number. ✨",
      "options": { "A": "9", "B": "36", "C": "20", "D": "16" },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "The sum of a number and 12 is 20. What is the number? ➕",
      "options": { "A": "8", "B": "32", "C": "7", "D": "6" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "If you subtract 5 from a number, you get 11. Find it. ➖",
      "options": { "A": "16", "B": "6", "C": "15", "D": "10" },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "One-third of a number is 4. What is the number? 🍰",
      "options": { "A": "12", "B": "1.33", "C": "7", "D": "8" },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "A number divided by 5 equals 3. Find the number. ➗",
      "options": { "A": "15", "B": "8", "C": "2", "D": "5/3" },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "The sum of two consecutive numbers is 17. Find them. 🔄",
      "options": {
        "A": "8 and 9",
        "B": "7 and 10",
        "C": "6 and 11",
        "D": "5 and 12"
      },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "Age of Sam is double that of Ria. If Ria is 6, how old is Sam? 👫",
      "options": { "A": "12", "B": "3", "C": "8", "D": "10" },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "A pencil costs ₹5. How many pencils can you buy for ₹45? ✏️",
      "options": { "A": "9", "B": "40", "C": "50", "D": "8" },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Perimeter of a square is 20 cm. Find its side length. ⬛",
      "options": { "A": "5 cm", "B": "4 cm", "C": "10 cm", "D": "15 cm" },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "If 3 chocolates cost ₹30, find cost of 1 chocolate. 🍫",
      "options": { "A": "₹10", "B": "₹27", "C": "₹33", "D": "₹90" },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "A number minus 8 equals -2. Find the number. ❄️",
      "options": { "A": "6", "B": "-10", "C": "10", "D": "-6" },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "Sum of a number and its double is 27. Find it. 🧮",
      "options": { "A": "9", "B": "13.5", "C": "18", "D": "12" },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "I think of a number, multiply by 4, get 28. What is it? 🤔",
      "options": { "A": "7", "B": "24", "C": "32", "D": "11" },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Length of a rectangle is twice its width (width=w). Perimeter is 30. Find w. 📏",
      "options": { "A": "5", "B": "10", "C": "15", "D": "20" },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "After spending ₹50, I have ₹150 left. How much did I have? 💰",
      "options": { "A": "₹200", "B": "₹100", "C": "₹250", "D": "₹120" },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "A number added to 10 gives 25. Find it. 🎯",
      "options": { "A": "15", "B": "35", "C": "5", "D": "12.5" },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Product of a number and 5 is 40. Find the number. ✖️",
      "options": { "A": "8", "B": "35", "C": "45", "D": "200" },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Three times a number decreased by 2 equals 19. Find it. 🔽",
      "options": { "A": "7", "B": "21", "C": "17", "D": "5.67" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "If x+7=2x, what is x? ⚖️",
      "options": { "A": "7", "B": "-7", "C": "0", "D": "14" },
      "correct_answer": "A"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "Sum of three consecutive even numbers is 54. Find the smallest. 🔢",
      "options": { "A": "16", "B": "18", "C": "14", "D": "12" },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Father is 3 times as old as son. Sum of ages is 52. Find son's age. 👨‍👦",
      "options": { "A": "13", "B": "39", "C": "26", "D": "14" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "A number's one-fourth plus its one-fifth equals 18. Find it. 🍕",
      "options": { "A": "40", "B": "45", "C": "36", "D": "90" },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Length of rectangle is 5 cm more than breadth. Perimeter=38 cm. Find length. 📐",
      "options": { "A": "12 cm", "B": "7 cm", "C": "17 cm", "D": "10 cm" },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "Divide ₹150 between A and B so A gets ₹30 more than B. Find B's share. 💸",
      "options": { "A": "₹60", "B": "₹90", "C": "₹120", "D": "₹30" },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "A number multiplied by 6 and then 4 is subtracted gives 44. Find it. 🧩",
      "options": { "A": "8", "B": "40", "C": "48", "D": "7.33" },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Sum of digits of a two-digit number is 9. Reversing digits increases number by 9. Find original number. 🔄",
      "options": { "A": "45", "B": "36", "C": "54", "D": "63" },
      "correct_answer": "B"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Total students in class: 40. Girls are 8 more than boys. How many boys? 👧👦",
      "options": { "A": "16", "B": "24", "C": "32", "D": "18" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "A man bought 5 pens and 3 pencils for ₹110. If pen costs ₹10 more than pencil, find pencil cost. ✏️🖊️",
      "options": { "A": "₹7.50", "B": "₹17.50", "C": "₹10", "D": "₹12.50" },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "After giving 1/5 of his marbles to Alex, Ben has 32 left. How many did he have? 🎲",
      "options": { "A": "40", "B": "37", "C": "35", "D": "42" },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "A train covers a distance in 4 hours at speed 60 km/h. How long at 80 km/h? 🚂",
      "options": {
        "A": "3 hours",
        "B": "5 hours",
        "C": "3.2 hours",
        "D": "4.5 hours"
      },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Three years ago, father was 7 times as old as son. Today, father is 34. Find son's current age. 🎂",
      "options": { "A": "4", "B": "7", "C": "8", "D": "6" },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "If 5 is subtracted from twice a number, result is 3 more than the number. Find it. ➖",
      "options": { "A": "8", "B": "2", "C": "3", "D": "5" },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Perimeter of triangle is 45 cm. Sides are in ratio 2:3:4. Find longest side. 🔺",
      "options": { "A": "20 cm", "B": "15 cm", "C": "10 cm", "D": "25 cm" },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "A number is such that its half, its third, and its fourth sum to 65. Find it. 🧮",
      "options": { "A": "60", "B": "65", "C": "70", "D": "75" },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Sum of two numbers is 95. One exceeds the other by 15. Find larger number. ➕",
      "options": { "A": "55", "B": "40", "C": "50", "D": "45" },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "A fraction becomes 4/5 if 1 is added to numerator & denominator. If 5 is subtracted from each, it becomes 1/2. Find fraction. 🧾",
      "options": { "A": "7/9", "B": "3/5", "C": "5/7", "D": "8/11" },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Area of rectangle is 96 sq cm. Length is 4 cm more than width. Find perimeter. 📏",
      "options": { "A": "40 cm", "B": "44 cm", "C": "48 cm", "D": "52 cm" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "A number divided by 4 gives the same result as the number decreased by 18. Find it. 🔁",
      "options": { "A": "24", "B": "22", "C": "20", "D": "18" },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "10 years from now, mother will be twice as old as daughter. Mother is 40 now. Find daughter's current age. 👩‍👧",
      "options": { "A": "15", "B": "20", "C": "25", "D": "30" },
      "correct_answer": "A"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "A two-digit number is 4 times sum of its digits. If 18 is added, digits reverse. Find number. 🔢",
      "options": { "A": "36", "B": "24", "C": "12", "D": "42" },
      "correct_answer": "A"
    },

    {
      "id": 42,
      "difficulty": "hard",
      "question": "Boats & streams: A boat goes 15 km upstream & 22 km downstream in 5 hours. Upstream speed=4 km/h. Find downstream speed. 🚤",
      "options": {
        "A": "17.6 km/h",
        "B": "11 km/h",
        "C": "9 km/h",
        "D": "7 km/h"
      },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "A man divides ₹10,000 among his 3 children. Second gets ₹1,000 more than youngest, eldest gets double the second. Find eldest share. 💰",
      "options": {
        "A": "₹4,000",
        "B": "₹4,400",
        "C": "₹4,800",
        "D": "₹5,000"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Work problem: A can do work in 10 days, B in 15 days. They work together for 4 days, then A leaves. How long for B to finish? ⚒️",
      "options": { "A": "5 days", "B": "6 days", "C": "4 days", "D": "8 days" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Mixture: 40 kg of wheat at ₹15/kg mixed with x kg at ₹20/kg to get mixture worth ₹18/kg. Find x. 🌾",
      "options": { "A": "60 kg", "B": "50 kg", "C": "55 kg", "D": "45 kg" },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Age puzzle: Father says 'I was your age when you were born'. If father is 40 now, find son's age. 👴👶",
      "options": { "A": "20", "B": "15", "C": "25", "D": "30" },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Time & distance: Two cars start from A & B towards each other. Speeds 50 km/h & 60 km/h. Distance AB=330 km. When do they meet? 🚗💨",
      "options": {
        "A": "3 hours",
        "B": "2.5 hours",
        "C": "4 hours",
        "D": "3.5 hours"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "A fraction: If numerator increased by 2 and denominator by 3, fraction=5/7. If each decreased by 1, fraction=3/5. Find original. 📉📈",
      "options": {
        "A": "8/13",
        "B": "13/19",
        "C": "11/17",
        "D": "7/11"
      },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Perimeter of rectangle is 100 m. If length increased by 5 m and breadth by 3 m, area increases by 165 sq m. Find original length. 📏",
      "options": { "A": "30 m", "B": "35 m", "C": "40 m", "D": "25 m" },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Sum of digits of a 3-digit number is 15. Middle digit is half sum of other two. Number is 99 more than number reversed. Find it. 🔢",
      "options": {
        "A": "357",
        "B": "456",
        "C": "546",
        "D": "654"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Investment: ₹5,000 invested partly at 4% and rest at 6% gives total interest ₹260. Find amount at 4%. 💹",
      "options": { "A": "₹2,000", "B": "₹3,000", "C": "₹2,500", "D": "₹1,500" },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "A number is as much greater than 36 as it is less than 80. Find it. ⚖️",
      "options": { "A": "58", "B": "60", "C": "62", "D": "56" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "A man rows 16 km downstream and 8 km upstream. Speed in still water=6 km/h, stream speed=2 km/h. Total time? 🚣",
      "options": {
        "A": "4.5 hours",
        "B": "4 hours",
        "C": "5 hours",
        "D": "3 hours"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Area of right triangle is 150 sq cm. Height exceeds base by 5 cm. Find hypotenuse. 🔺",
      "options": {
        "A": "25 cm",
        "B": "20 cm",
        "C": "26 cm",
        "D": "30 cm"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Two numbers differ by 40. When each is increased by 8, the larger becomes thrice the smaller. Find numbers. 🔢",
      "options": {
        "A": "56 and 16",
        "B": "60 and 20",
        "C": "52 and 12",
        "D": "64 and 24"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "A train passes pole in 15 sec, platform 150 m long in 30 sec. Find length & speed of train. 🚉",
      "options": {
        "A": "150 m, 36 km/h",
        "B": "150 m, 10 m/s",
        "C": "100 m, 40 km/h",
        "D": "120 m, 12 m/s"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "A number's square added to its double gives 120. Find possible values. 🔲",
      "options": {
        "A": "10 or -12",
        "B": "12 or -10",
        "C": "8 or -15",
        "D": "15 or -8"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "In an exam, passing marks are 40%. A scores 20% and fails by 30 marks. B scores 45% and gets 20 more than pass. Find max marks. 📝",
      "options": { "A": "200", "B": "250", "C": "300", "D": "350" },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "A 3-digit number: Hundreds digit is 3 more than units digit. Tens digit is average of other two. Sum of digits is 18. Find number. 🎯",
      "options": {
        "A": "684",
        "B": "864",
        "C": "846",
        "D": "468"
      },
      "correct_answer": "A"
    }
  ]
}