{
  "title": "Time - Word Problems on Time",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "Easy",
      "question": "If a class starts at 10:00 AM and ends at 11:00 AM, how long is the class?",
      "options": {
        "A": "1 hour",
        "B": "2 hours",
        "C": "30 minutes",
        "D": "3 hours"
      },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "Easy",
      "question": "How many minutes are there in 1 hour?",
      "options": {
        "A": "60 minutes",
        "B": "30 minutes",
        "C": "10 minutes",
        "D": "90 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "Easy",
      "question": "A cartoon starts at 4:00 PM and ends at 4:30 PM. How long is it?",
      "options": {
        "A": "30 minutes",
        "B": "1 hour",
        "C": "15 minutes",
        "D": "45 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "Easy",
      "question": "If you start homework at 5:00 PM and finish at 5:20 PM, how long did it take?",
      "options": {
        "A": "20 minutes",
        "B": "1 hour",
        "C": "10 minutes",
        "D": "30 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "Easy",
      "question": "How many minutes are in half an hour?",
      "options": {
        "A": "30 minutes",
        "B": "20 minutes",
        "C": "60 minutes",
        "D": "10 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "Easy",
      "question": "A movie starts at 2:00 PM and ends at 3:00 PM. Its duration is:",
      "options": {
        "A": "1 hour",
        "B": "2 hours",
        "C": "30 minutes",
        "D": "3 hours"
      },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "Easy",
      "question": "How many minutes make a quarter hour?",
      "options": {
        "A": "15 minutes",
        "B": "30 minutes",
        "C": "45 minutes",
        "D": "10 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "Easy",
      "question": "If a break starts at 10:00 AM and ends at 10:15 AM, how long is it?",
      "options": {
        "A": "15 minutes",
        "B": "10 minutes",
        "C": "20 minutes",
        "D": "30 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "Easy",
      "question": "From 6:00 PM to 7:00 PM is:",
      "options": {
        "A": "1 hour",
        "B": "2 hours",
        "C": "30 minutes",
        "D": "15 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "Easy",
      "question": "From 12:00 PM to 12:30 PM is:",
      "options": {
        "A": "30 minutes",
        "B": "1 hour",
        "C": "15 minutes",
        "D": "10 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "Easy",
      "question": "If a game starts at 3:00 PM and ends at 3:45 PM, the duration is:",
      "options": {
        "A": "45 minutes",
        "B": "15 minutes",
        "C": "30 minutes",
        "D": "1 hour"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "Easy",
      "question": "How long is 2 hours?",
      "options": {
        "A": "120 minutes",
        "B": "90 minutes",
        "C": "60 minutes",
        "D": "150 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "Easy",
      "question": "A show runs from 8:00 PM to 8:30 PM. It lasts:",
      "options": {
        "A": "30 minutes",
        "B": "1 hour",
        "C": "15 minutes",
        "D": "45 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "Easy",
      "question": "What is the time interval between 1:00 PM and 1:20 PM?",
      "options": {
        "A": "20 minutes",
        "B": "40 minutes",
        "C": "1 hour",
        "D": "10 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "Easy",
      "question": "If school starts at 9:00 AM and assembly ends at 9:15 AM, how long is assembly?",
      "options": {
        "A": "15 minutes",
        "B": "30 minutes",
        "C": "45 minutes",
        "D": "1 hour"
      },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "Easy",
      "question": "From 7:00 AM to 8:00 AM is:",
      "options": {
        "A": "1 hour",
        "B": "2 hours",
        "C": "30 minutes",
        "D": "45 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "Easy",
      "question": "How many minutes are in 3 quarters of an hour?",
      "options": {
        "A": "45 minutes",
        "B": "30 minutes",
        "C": "60 minutes",
        "D": "15 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "Easy",
      "question": "A walk begins at 6:00 PM and ends at 6:30 PM. Duration is:",
      "options": {
        "A": "30 minutes",
        "B": "1 hour",
        "C": "15 minutes",
        "D": "45 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "Easy",
      "question": "How long is 10 minutes + 10 minutes?",
      "options": {
        "A": "20 minutes",
        "B": "10 minutes",
        "C": "30 minutes",
        "D": "40 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "Easy",
      "question": "From 5:00 PM to 5:30 PM is:",
      "options": {
        "A": "30 minutes",
        "B": "1 hour",
        "C": "20 minutes",
        "D": "10 minutes"
      },
      "correct_answer": "A"
    },

    {
      "id": 21,
      "difficulty": "Medium",
      "question": "A movie starts at 3:15 PM and ends at 4:00 PM. Duration is:",
      "options": {
        "A": "45 minutes",
        "B": "30 minutes",
        "C": "1 hour",
        "D": "15 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "Medium",
      "question": "How long is the interval from 9:20 AM to 10:00 AM?",
      "options": {
        "A": "40 minutes",
        "B": "60 minutes",
        "C": "30 minutes",
        "D": "20 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "Medium",
      "question": "A bus leaves at 12:00 PM and reaches at 1:10 PM. Travel time is:",
      "options": {
        "A": "70 minutes",
        "B": "1 hour",
        "C": "60 minutes",
        "D": "50 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "Medium",
      "question": "How long is the interval from 2:40 PM to 3:00 PM?",
      "options": {
        "A": "20 minutes",
        "B": "40 minutes",
        "C": "10 minutes",
        "D": "30 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "Medium",
      "question": "A game begins at 7:10 PM and ends at 7:55 PM. Duration is:",
      "options": {
        "A": "45 minutes",
        "B": "55 minutes",
        "C": "30 minutes",
        "D": "1 hour"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "Medium",
      "question": "What is the time interval from 6:30 AM to 7:15 AM?",
      "options": {
        "A": "45 minutes",
        "B": "30 minutes",
        "C": "1 hour",
        "D": "15 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "Medium",
      "question": "From 11:50 AM to 12:10 PM is:",
      "options": {
        "A": "20 minutes",
        "B": "30 minutes",
        "C": "1 hour",
        "D": "10 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "Medium",
      "question": "A train leaves at 5:25 PM and arrives at 6:00 PM. Time taken:",
      "options": {
        "A": "35 minutes",
        "B": "25 minutes",
        "C": "45 minutes",
        "D": "50 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "Medium",
      "question": "From 4:05 PM to 4:50 PM is:",
      "options": {
        "A": "45 minutes",
        "B": "40 minutes",
        "C": "30 minutes",
        "D": "50 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "Medium",
      "question": "A class starts at 9:15 AM and ends at 10:00 AM. Duration:",
      "options": {
        "A": "45 minutes",
        "B": "30 minutes",
        "C": "1 hour",
        "D": "75 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "Medium",
      "question": "From 8:30 PM to 9:15 PM is:",
      "options": {
        "A": "45 minutes",
        "B": "30 minutes",
        "C": "1 hour",
        "D": "15 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "Medium",
      "question": "A meeting begins at 10:10 AM and ends at 11:00 AM. Duration:",
      "options": {
        "A": "50 minutes",
        "B": "40 minutes",
        "C": "60 minutes",
        "D": "30 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "Medium",
      "question": "From 3:35 PM to 4:00 PM is:",
      "options": {
        "A": "25 minutes",
        "B": "15 minutes",
        "C": "30 minutes",
        "D": "45 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "Medium",
      "question": "A child studies from 6:20 PM to 7:00 PM. Time spent:",
      "options": {
        "A": "40 minutes",
        "B": "30 minutes",
        "C": "20 minutes",
        "D": "50 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "Medium",
      "question": "From 1:45 PM to 2:30 PM is:",
      "options": {
        "A": "45 minutes",
        "B": "30 minutes",
        "C": "60 minutes",
        "D": "15 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "Medium",
      "question": "A taxi ride starts at 11:20 AM and ends at 12:00 PM. Duration:",
      "options": {
        "A": "40 minutes",
        "B": "30 minutes",
        "C": "45 minutes",
        "D": "20 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "Medium",
      "question": "A lesson starts at 2:10 PM and ends at 2:50 PM. Duration:",
      "options": {
        "A": "40 minutes",
        "B": "50 minutes",
        "C": "30 minutes",
        "D": "20 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "Medium",
      "question": "How long is it from 9:40 AM to 10:00 AM?",
      "options": {
        "A": "20 minutes",
        "B": "40 minutes",
        "C": "10 minutes",
        "D": "30 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "Medium",
      "question": "From 7:55 PM to 8:30 PM is:",
      "options": {
        "A": "35 minutes",
        "B": "25 minutes",
        "C": "45 minutes",
        "D": "15 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "Medium",
      "question": "A bus stops from 3:05 PM to 3:45 PM. Stopping time:",
      "options": {
        "A": "40 minutes",
        "B": "30 minutes",
        "C": "20 minutes",
        "D": "50 minutes"
      },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "Hard",
      "question": "A train leaves at 1:35 PM and reaches at 3:10 PM. Travel time:",
      "options": {
        "A": "95 minutes",
        "B": "1 hour",
        "C": "75 minutes",
        "D": "100 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "Hard",
      "question": "From 11:45 AM to 1:00 PM is:",
      "options": {
        "A": "75 minutes",
        "B": "60 minutes",
        "C": "90 minutes",
        "D": "45 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "Hard",
      "question": "A match begins at 4:25 PM and ends at 5:40 PM. Duration:",
      "options": {
        "A": "75 minutes",
        "B": "60 minutes",
        "C": "80 minutes",
        "D": "70 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "Hard",
      "question": "A class starts at 9:50 AM and finishes at 11:00 AM. Duration:",
      "options": {
        "A": "70 minutes",
        "B": "60 minutes",
        "C": "80 minutes",
        "D": "50 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "Hard",
      "question": "From 6:15 PM to 7:45 PM is:",
      "options": {
        "A": "90 minutes",
        "B": "60 minutes",
        "C": "75 minutes",
        "D": "80 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "Hard",
      "question": "A journey begins at 8:10 AM and ends at 9:30 AM. Duration:",
      "options": {
        "A": "80 minutes",
        "B": "70 minutes",
        "C": "90 minutes",
        "D": "60 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "Hard",
      "question": "From 12:35 PM to 2:00 PM is:",
      "options": {
        "A": "85 minutes",
        "B": "90 minutes",
        "C": "75 minutes",
        "D": "80 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "Hard",
      "question": "A workshop runs from 1:20 PM to 2:50 PM. Duration:",
      "options": {
        "A": "90 minutes",
        "B": "80 minutes",
        "C": "70 minutes",
        "D": "85 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "Hard",
      "question": "A lecture starts at 10:45 AM and ends at 12:00 PM. Duration:",
      "options": {
        "A": "75 minutes",
        "B": "60 minutes",
        "C": "90 minutes",
        "D": "100 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "Hard",
      "question": "From 3:15 PM to 4:50 PM is:",
      "options": {
        "A": "95 minutes",
        "B": "80 minutes",
        "C": "100 minutes",
        "D": "90 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "Hard",
      "question": "A bus ride lasts from 2:40 PM to 4:00 PM. Duration:",
      "options": {
        "A": "80 minutes",
        "B": "70 minutes",
        "C": "60 minutes",
        "D": "90 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "Hard",
      "question": "From 5:55 PM to 7:20 PM is:",
      "options": {
        "A": "85 minutes",
        "B": "75 minutes",
        "C": "95 minutes",
        "D": "90 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "Hard",
      "question": "A child studies from 4:10 PM to 5:25 PM. Duration:",
      "options": {
        "A": "75 minutes",
        "B": "60 minutes",
        "C": "80 minutes",
        "D": "70 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "Hard",
      "question": "A movie lasts from 7:30 PM to 9:00 PM. Duration:",
      "options": {
        "A": "90 minutes",
        "B": "80 minutes",
        "C": "70 minutes",
        "D": "100 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "Hard",
      "question": "From 9:45 AM to 11:00 AM is:",
      "options": {
        "A": "75 minutes",
        "B": "60 minutes",
        "C": "90 minutes",
        "D": "85 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "Hard",
      "question": "A show begins at 6:25 PM and ends at 7:50 PM. Duration:",
      "options": {
        "A": "85 minutes",
        "B": "75 minutes",
        "C": "95 minutes",
        "D": "90 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "Hard",
      "question": "From 8:10 PM to 9:40 PM is:",
      "options": {
        "A": "90 minutes",
        "B": "80 minutes",
        "C": "100 minutes",
        "D": "95 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "Hard",
      "question": "A workshop starts at 10:30 AM and ends at 12:00 PM. Duration:",
      "options": {
        "A": "90 minutes",
        "B": "70 minutes",
        "C": "60 minutes",
        "D": "100 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "Hard",
      "question": "From 2:20 PM to 3:50 PM is:",
      "options": {
        "A": "90 minutes",
        "B": "80 minutes",
        "C": "100 minutes",
        "D": "95 minutes"
      },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "Hard",
      "question": "A seminar runs from 11:10 AM to 12:45 PM. Duration:",
      "options": {
        "A": "95 minutes",
        "B": "85 minutes",
        "C": "90 minutes",
        "D": "100 minutes"
      },
      "correct_answer": "A"
    }
  ]
}