{
  "title": "Pictographs, Tables, Simple Bar & Pie Charts (Data Handling) - Grade 5",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "A pictograph uses _________ to represent data.", "options": {"A": "Numbers", "B": "Pictures", "C": "Words", "D": "Lines"}, "correct_answer": "B"},
    {"id": 2, "difficulty": "easy", "question": "Look at the table. How many apples were sold on Tuesday?\nDay | Apples Sold\nMon | 5\nTue | 8\nWed | 4", "options": {"A": "5", "B": "4", "C": "8", "D": "7"}, "correct_answer": "C"},
    {"id": 3, "difficulty": "easy", "question": "In a bar graph, the length of the bar represents the _________ of the data.", "options": {"A": "Color", "B": "Value", "C": "Title", "D": "Label"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "If a pie chart is divided into 4 equal parts, what fraction does each part represent?", "options": {"A": "1/2", "B": "1/3", "C": "1/4", "D": "1/5"}, "correct_answer": "C"},
    {"id": 5, "difficulty": "easy", "question": "In a pictograph, if 1 book symbol equals 2 books, how many books do 3 symbols represent?", "options": {"A": "3", "B": "5", "C": "6", "D": "4"}, "correct_answer": "C"},
    {"id": 6, "difficulty": "easy", "question": "What is the title of a graph called that shows the number of students in different classes?", "options": {"A": "Student Graph", "B": "Class Count", "C": "Number of Students per Class", "D": "Classroom"}, "correct_answer": "C"},
    {"id": 7, "difficulty": "easy", "question": "If a bar graph shows a bar for 'Dogs' reaching up to 10, how many dogs are represented?", "options": {"A": "5", "B": "15", "C": "10", "D": "20"}, "correct_answer": "C"},
    {"id": 8, "difficulty": "easy", "question": "A table is a way to organize data in _________ and columns.", "options": {"A": "Circles", "B": "Rows", "C": "Pictures", "D": "Colors"}, "correct_answer": "B"},
    {"id": 9, "difficulty": "easy", "question": "In a pie chart showing favorite fruits, if half the chart is for 'Apple', what percentage like apples?", "options": {"A": "25%", "B": "50%", "C": "75%", "D": "100%"}, "correct_answer": "B"},
    {"id": 10, "difficulty": "easy", "question": "What does the key in a pictograph tell you?", "options": {"A": "The title", "B": "The color of the pictures", "C": "What each picture represents", "D": "Who made the graph"}, "correct_answer": "C"},
    {"id": 11, "difficulty": "easy", "question": "On which day were the most ice creams sold according to this table?\nDay | Ice Creams\nMon | 12\nTue | 15\nWed | 10", "options": {"A": "Monday", "B": "Tuesday", "C": "Wednesday", "D": "Friday"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "If a bar in a graph is the tallest, it means it has the _________ value.", "options": {"A": "Smallest", "B": "Largest", "C": "Same", "D": "Wrong"}, "correct_answer": "B"},
    {"id": 13, "difficulty": "easy", "question": "What type of graph uses a circle to show data?", "options": {"A": "Bar Graph", "B": "Pictograph", "C": "Pie Chart", "D": "Line Graph"}, "correct_answer": "C"},
   {"id":14,"difficulty":"easy","question":"If a pictograph's key says '= 5 students', how many students do 3 symbols represent?","options":{"A":"10","B":"15","C":"20","D":"5"},"correct_answer":"B"}
, {"id": 15, "difficulty": "easy", "question": "What is the first thing you should look at to understand a graph?", "options": {"A": "The colors", "B": "The title", "C": "The size", "D": "The paper"}, "correct_answer": "B"},
    {"id": 16, "difficulty": "easy", "question": "In a table, the information going across is called a _________.", "options": {"A": "Column", "B": "Row", "C": "Cell", "D": "Box"}, "correct_answer": "B"},
    {"id": 17, "difficulty": "easy", "question": "If a pie chart has a section labeled 'Blue' that is a quarter of the chart, what fraction of people chose blue?", "options": {"A": "1/4", "B": "1/2", "C": "3/4", "D": "1/3"}, "correct_answer": "A"},
    {"id": 18, "difficulty": "easy", "question": "How many more books did Class 5A read than Class 5B if the bar graph shows 15 and 10?", "options": {"A": "25", "B": "10", "C": "5", "D": "15"}, "correct_answer": "C"},
    {"id": 19, "difficulty": "easy", "question": "What is the total number of items if a pictograph has 4 complete symbols and the key is '= 2 items'?", "options": {"A": "6", "B": "8", "C": "4", "D": "2"}, "correct_answer": "B"},
    {"id": 20, "difficulty": "easy", "question": "Which part of a bar graph tells you what the bars represent?", "options": {"A": "The title", "B": "The axis label", "C": "The bars", "D": "The grid"}, "correct_answer": "B"},
    {"id": 21, "difficulty": "medium", "question": "The table shows the number of cars sold each day. If the total for the week was 50, how many were sold on Friday?\nMon: 8, Tue: 7, Wed: 9, Thu: 10, Fri: ?, Sat: 11", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "A"},
    {"id": 22, "difficulty": "medium", "question": "In a pictograph, if 1 star = 4 books, and Sarah read 3.5 stars, how many books did she read?", "options": {"A": "12", "B": "14", "C": "16", "D": "18"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "A bar graph shows the following scores: Math: 80, Science: 75, English: 90, History: 70. What is the average score?", "options": {"A": "78.75", "B": "80", "C": "79.5", "D": "77.5"}, "correct_answer": "A"},
    {"id": 24, "difficulty": "medium", "question": "A pie chart is divided into 3 sections: 1/2, 1/4, and 1/4. If the 1/2 section represents 20 people, how many people are represented by the entire chart?", "options": {"A": "40", "B": "50", "C": "60", "D": "80"}, "correct_answer": "A"},
    {"id": 25, "difficulty": "medium", "question": "From this data, what is the mode? 5, 7, 3, 5, 2, 7, 5, 9", "options": {"A": "3", "B": "5", "C": "7", "D": "9"}, "correct_answer": "B"},
    {"id": 26, "difficulty": "medium", "question": "The pictograph key says '= 3 flowers'. How many flowers are represented by 4 and a half symbols?", "options": {"A": "12", "B": "13.5", "C": "14", "D": "15"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "If a bar graph's scale goes up by 5s (0, 5, 10, 15...), and a bar ends halfway between 10 and 15, what is its value?", "options": {"A": "10", "B": "12.5", "C": "13", "D": "15"}, "correct_answer": "B"},
   {"id":28,"difficulty":"medium","question":"A table lists the number of students absent: Mon-4, Tue-2, Wed-5, Thu-1, Fri-3. What is the range of absences?","options":{"A":"2","B":"3","C":"4","D":"6"},"correct_answer":"C"}
, {"id": 29, "difficulty": "medium", "question": "In a pie chart, if a 90-degree section represents 15 students, how many students are there in total?", "options": {"A": "45", "B": "60", "C": "90", "D": "120"}, "correct_answer": "B"},
    {"id": 30, "difficulty": "medium", "question": "What is the median of this data set: 8, 3, 5, 1, 9?", "options": {"A": "3", "B": "5", "C": "8", "D": "1"}, "correct_answer": "B"},
    {"id": 31, "difficulty": "medium", "question": "A pictograph has 7 complete symbols and one half symbol. If the key is '= 2 cookies', how many cookies are there?", "options": {"A": "14", "B": "15", "C": "16", "D": "17"}, "correct_answer": "B"},
    {"id": 32, "difficulty": "medium", "question": "The total from a bar graph is 100. If one bar is 25 and another is 30, what is the sum of the remaining bars?", "options": {"A": "45", "B": "55", "C": "65", "D": "75"}, "correct_answer": "A"},
  {"id":33,"difficulty":"medium","question":"A pie chart has sections of 120°, 90°, and 150°. If the total value is 120, what is the value represented by the smallest section?","options":{"A":"30","B":"40","C":"45","D":"50"},"correct_answer":"A"}
,  {"id": 34, "difficulty": "medium", "question": "From the table, find the difference between the highest and lowest temperatures.\nDay | Temp(°C)\nMon | 22\nTue | 25\nWed | 19\nThu | 24", "options": {"A": "5°C", "B": "6°C", "C": "7°C", "D": "8°C"}, "correct_answer": "B"},
    {"id": 35, "difficulty": "medium", "question": "If the scale of a bar graph is 1 cm = 10 units, how many units does a 4.5 cm bar represent?", "options": {"A": "40", "B": "45", "C": "50", "D": "55"}, "correct_answer": "B"},
    {"id": 36, "difficulty": "medium", "question": "A survey's pie chart shows that 1/5 of people prefer tea. If 60 people were surveyed, how many prefer tea?", "options": {"A": "10", "B": "12", "C": "15", "D": "20"}, "correct_answer": "B"},
    {"id": 37, "difficulty": "medium", "question": "What is the mean of these numbers: 10, 15, 20, 25?", "options": {"A": "15", "B": "17.5", "C": "20", "D": "22.5"}, "correct_answer": "B"},
    {"id": 38, "difficulty": "medium", "question": "In a pictograph, if 3.5 symbols represent 14 cars, what does one full symbol represent?", "options": {"A": "3 cars", "B": "4 cars", "C": "5 cars", "D": "6 cars"}, "correct_answer": "B"},
    {"id": 39, "difficulty": "medium", "question": "A bar graph shows sales for 5 days. The sales are: 20, 25, 15, 30, 10. What is the total sales?", "options": {"A": "90", "B": "95", "C": "100", "D": "105"}, "correct_answer": "C"},
    {"id": 40, "difficulty": "medium", "question": "A pie chart section of 60 degrees represents 12 people. How many people does a 180-degree section represent?", "options": {"A": "24", "B": "30", "C": "36", "D": "42"}, "correct_answer": "C"},
    {"id": 41, "difficulty": "medium", "question": "The range of data: 12, 18, 11, 25, 14 is _________.", "options": {"A": "11", "B": "13", "C": "14", "D": "25"}, "correct_answer": "C"},
    {"id": 42, "difficulty": "medium", "question": "If a table shows that the number of boys is twice the number of girls, and there are 18 boys, how many girls are there?", "options": {"A": "6", "B": "9", "C": "12", "D": "15"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "medium", "question": "A pictograph uses smiley faces. If 4 faces represent 16 children, how many children does 1 face represent?", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "C"},
    {"id": 44, "difficulty": "medium", "question": "In a bar graph, if the bar for 'Cats' is 3 times longer than the bar for 'Hamsters', and hamsters are 5, how many cats are there?", "options": {"A": "10", "B": "15", "C": "20", "D": "25"}, "correct_answer": "B"},
    {"id": 45, "difficulty": "medium", "question": "A pie chart has 4 sections: A=90°, B=60°, C=120°, D=90°. Which section is the smallest?", "options": {"A": "A", "B": "B", "C": "C", "D": "D"}, "correct_answer": "B"},
    {"id": 46, "difficulty": "medium", "question": "The median of the data set 7, 9, 2, 4, 8 is _________.", "options": {"A": "4", "B": "7", "C": "8", "D": "9"}, "correct_answer": "B"},
   {"id":47,"difficulty":"medium","question":"From the table, on which day was the attendance exactly half of Wednesday's? (Mon: 30, Tue: 35, Wed: 40, Thu: 25)","options":{"A":"Monday","B":"Tuesday","C":"Thursday","D":"None"},"correct_answer":"D"}
,  {"id": 48, "difficulty": "medium", "question": "If a bar graph's scale is 1 unit = 5 km, a bar of 6 units represents _________ km.", "options": {"A": "25", "B": "30", "C": "35", "D": "40"}, "correct_answer": "B"},
    {"id": 49, "difficulty": "medium", "question": "In a survey, 40% of people like Pizza. If 80 people were surveyed, how many like Pizza?", "options": {"A": "20", "B": "32", "C": "40", "D": "48"}, "correct_answer": "B"},
    {"id": 50, "difficulty": "medium", "question": "The mode of the data: 3, 5, 3, 2, 5, 3, 7 is _________.", "options": {"A": "2", "B": "3", "C": "5", "D": "7"}, "correct_answer": "B"},
    {"id": 51, "difficulty": "medium", "question": "A pictograph has a key: '= 10 votes'. Candidate A has 4.5 symbols. How many votes did they get?", "options": {"A": "40", "B": "45", "C": "50", "D": "55"}, "correct_answer": "B"},
    {"id": 52, "difficulty": "medium", "question": "The mean of 5 numbers is 10. What is their total?", "options": {"A": "15", "B": "30", "C": "50", "D": "100"}, "correct_answer": "C"},
    {"id": 53, "difficulty": "medium", "question": "A bar graph shows the number of books read: Jan-4, Feb-6, Mar-5, Apr-7. What is the total books read in these 4 months?", "options": {"A": "20", "B": "21", "C": "22", "D": "23"}, "correct_answer": "C"},
    {"id": 54, "difficulty": "medium", "question": "A pie chart section of 30% represents 45 people. How many people are represented by the whole chart?", "options": {"A": "120", "B": "135", "C": "150", "D": "180"}, "correct_answer": "C"},
    {"id": 55, "difficulty": "medium", "question": "The range of the data set 22, 19, 25, 20, 18 is _________.", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 56, "difficulty": "medium", "question": "In a table, the number of girls is 3 more than boys. If there are 17 girls, how many boys are there?", "options": {"A": "12", "B": "13", "C": "14", "D": "15"}, "correct_answer": "C"},
    {"id": 57, "difficulty": "medium", "question": "If a pictograph symbol represents 5 trees, and a forest has 8 symbols, how many trees are there?", "options": {"A": "35", "B": "40", "C": "45", "D": "50"}, "correct_answer": "B"},
    {"id": 58, "difficulty": "medium", "question": "A bar graph shows test scores: 85, 90, 78, 92. What is the difference between the highest and lowest scores?", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "C"},
  {"id":59,"difficulty":"medium","question":"A pie chart is divided into 20%, 30%, and 50%. If the 50% section represents 100 people, how many people are in the 20% section?","options":{"A":"20","B":"30","C":"40","D":"50"},"correct_answer":"C"}
,  {"id": 60, "difficulty": "medium", "question": "The median of 6, 1, 4, 9, 3 is _________.", "options": {"A": "3", "B": "4", "C": "6", "D": "9"}, "correct_answer": "B"},
    {"id": 61, "difficulty": "medium", "question": "A pictograph uses stars. If 2 stars = 8 points, how many points does 5 stars represent?", "options": {"A": "16", "B": "18", "C": "20", "D": "22"}, "correct_answer": "C"},
    {"id": 62, "difficulty": "medium", "question": "The mean of 4 numbers is 12. If three numbers are 10, 12, 14, what is the fourth number?", "options": {"A": "10", "B": "12", "C": "14", "D": "16"}, "correct_answer": "B"},
    {"id": 63, "difficulty": "medium", "question": "A bar graph has bars for 5 fruits. The heights are 12, 8, 15, 10, 5. What is the total value?", "options": {"A": "45", "B": "50", "C": "55", "D": "60"}, "correct_answer": "B"},
    {"id": 64, "difficulty": "medium", "question": "In a pie chart, a 72-degree section represents 18 students. How many degrees represent 1 student?", "options": {"A": "2°", "B": "3°", "C": "4°", "D": "5°"}, "correct_answer": "C"},
    {"id": 65, "difficulty": "medium", "question": "The range of 11, 14, 17, 11, 20 is _________.", "options": {"A": "6", "B": "7", "C": "8", "D": "9"}, "correct_answer": "D"},
   {"id":66,"difficulty":"medium","question":"A table shows the number of cars: Red-5, Blue-8, Green-3. What is the probability of selecting a blue car?","options":{"A":"1/2","B":"1/4","C":"1/8","D":"3/16"},"correct_answer":"A"}
, {"id": 67, "difficulty": "medium", "question": "If a pictograph key is '= 2 houses', and a town has 7 symbols, how many houses are there?", "options": {"A": "12", "B": "14", "C": "16", "D": "18"}, "correct_answer": "B"},
    {"id": 68, "difficulty": "medium", "question": "A bar graph shows the population of 4 cities: A=2000, B=3000, C=2500, D=3500. What is the average population?", "options": {"A": "2500", "B": "2750", "C": "3000", "D": "3250"}, "correct_answer": "B"},
    {"id": 69, "difficulty": "medium", "question": "A pie chart has 3 sections: 50%, 30%, 20%. If the total is 200, what is the value of the 30% section?", "options": {"A": "40", "B": "50", "C": "60", "D": "70"}, "correct_answer": "C"},
    {"id": 70, "difficulty": "medium", "question": "The mode of 4, 2, 4, 3, 2, 4, 5 is _________.", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "C"},
    {"id": 71, "difficulty": "medium", "question": "A pictograph symbol = 3 balls. How many symbols are needed for 21 balls?", "options": {"A": "5", "B": "6", "C": "7", "D": "8"}, "correct_answer": "C"},
    {"id": 72, "difficulty": "medium", "question": "The mean of 8, 10, 12, 14, 16 is _________.", "options": {"A": "10", "B": "11", "C": "12", "D": "13"}, "correct_answer": "C"},
    {"id": 73, "difficulty": "medium", "question": "A bar graph shows the number of students in 4 classes: 25, 30, 28, 27. What is the total number of students?", "options": {"A": "100", "B": "105", "C": "110", "D": "115"}, "correct_answer": "C"},
    {"id": 74, "difficulty": "medium", "question": "A pie chart section of 45° is what percentage of the whole?", "options": {"A": "10%", "B": "12.5%", "C": "15%", "D": "20%"}, "correct_answer": "B"},
    {"id": 75, "difficulty": "medium", "question": "The range of 5, 10, 15, 20, 25 is _________.", "options": {"A": "15", "B": "18", "C": "20", "D": "25"}, "correct_answer": "C"},
    {"id": 76, "difficulty": "medium", "question": "A table shows the number of pets: Dogs-10, Cats-7, Fish-5. What fraction of the pets are cats?", "options": {"A": "1/2", "B": "7/22", "C": "7/15", "D": "1/3"}, "correct_answer": "B"},
    {"id": 77, "difficulty": "medium", "question": "If a pictograph uses '= 4 pencils', and a box has 6 symbols, how many pencils are there?", "options": {"A": "20", "B": "22", "C": "24", "D": "26"}, "correct_answer": "C"},
    {"id": 78, "difficulty": "medium", "question": "A bar graph shows the heights of 3 buildings: 50m, 60m, 70m. What is the average height?", "options": {"A": "55m", "B": "58m", "C": "60m", "D": "62m"}, "correct_answer": "C"},
    {"id": 79, "difficulty": "medium", "question": "A pie chart has a section of 25%. If the total is 80, what is the value of that section?", "options": {"A": "15", "B": "20", "C": "25", "D": "30"}, "correct_answer": "B"},
    {"id": 80, "difficulty": "medium", "question": "The median of 12, 15, 18, 21, 24 is _________.", "options": {"A": "15", "B": "18", "C": "21", "D": "24"}, "correct_answer": "B"},
    {"id": 81, "difficulty": "hard", "question": "A composite bar graph shows the total sales of two products over 3 months. If the total sales are Jan: 50, Feb: 60, Mar: 70, and Product A sold 20 each month, what were the sales of Product B in February?", "options": {"A": "30", "B": "40", "C": "50", "D": "60"}, "correct_answer": "B"},
    {"id": 82, "difficulty": "hard", "question": "A pie chart is divided into 5 sections with angles 40°, 60°, 80°, 100°, 80°. If the 40° section is 10 people, how many people are in the 100° section?", "options": {"A": "20", "B": "25", "C": "30", "D": "35"}, "correct_answer": "B"},
  {"id":83,"difficulty":"hard","question":"The mean of 5 numbers is 20. If one number is excluded and the mean becomes 18, what is the excluded number?","options":{"A":"22","B":"24","C":"26","D":"28"},"correct_answer":"D"}
,  {"id": 84, "difficulty": "hard", "question": "A double bar graph shows the number of boys and girls in 3 classes. If the total students are 75, and the ratio of boys to girls is 2:3, how many girls are there in total?", "options": {"A": "25", "B": "30", "C": "40", "D": "45"}, "correct_answer": "D"},
    {"id": 85, "difficulty": "hard", "question": "In a pictograph, if the key is changed from '= 5' to '= 4', how will the number of symbols for a data value of 20 change?", "options": {"A": "Increases by 1", "B": "Decreases by 1", "C": "Increases by 2", "D": "Decreases by 2"}, "correct_answer": "A"},
    {"id": 86, "difficulty": "hard", "question": "A table lists the monthly rainfall (in cm) for 6 months: 5, 8, 12, 10, 7, 6. What is the median rainfall?", "options": {"A": "7", "B": "7.5", "C": "8", "D": "8.5"}, "correct_answer": "B"},
  {"id":87,"difficulty":"hard","question":"A pie chart has 4 sections. Two sections are 30% each and one is 20%. What percentage is the fourth section?","options":{"A":"10%","B":"15%","C":"20%","D":"25%"},"correct_answer":"C"}
,  {"id": 88, "difficulty": "hard", "question": "The range of a set of numbers is 15. If the smallest number is 10, what is the largest number?", "options": {"A": "20", "B": "25", "C": "30", "D": "35"}, "correct_answer": "B"},
    {"id": 89, "difficulty": "hard", "question": "A bar graph's scale is 1 cm = 20 units. If a bar is 3.2 cm long, what value does it represent?", "options": {"A": "60", "B": "62", "C": "64", "D": "66"}, "correct_answer": "C"},
  {"id":90,"difficulty":"hard","question":"In a survey, 60% like Coffee, 30% like Tea, and the rest like Milk. If 20 people like Milk, how many people were surveyed in total?","options":{"A":"100","B":"150","C":"200","D":"250"},"correct_answer":"C"}
,  {"id": 91, "difficulty": "hard", "question": "The mean of 10 numbers is 25. If each number is multiplied by 2, what is the new mean?", "options": {"A": "25", "B": "40", "C": "50", "D": "60"}, "correct_answer": "C"},
    {"id": 92, "difficulty": "hard", "question": "A composite pictograph shows data for two years. If 1 symbol = 10 units, and for Year 1 there are 4 symbols and for Year 2 there are 6 symbols, what is the total for both years?", "options": {"A": "80", "B": "90", "C": "100", "D": "110"}, "correct_answer": "C"},
    {"id": 93, "difficulty": "hard", "question": "A pie chart's total is 240. One section is 90°, another is 120°. What is the sum of the remaining sections in degrees?", "options": {"A": "100°", "B": "120°", "C": "140°", "D": "150°"}, "correct_answer": "D"},
    {"id": 94, "difficulty": "hard", "question": "The median of the data set 9, 12, 15, 18, 21, 24 is _________.", "options": {"A": "15", "B": "16.5", "C": "18", "D": "19.5"}, "correct_answer": "B"},
    {"id": 95, "difficulty": "hard", "question": "A table shows the number of students in 4 classes: 28, 32, 30, 34. What is the average number of students per class?", "options": {"A": "30", "B": "31", "C": "32", "D": "33"}, "correct_answer": "B"},
  {
  "id": 96,
  "difficulty": "hard",
  "question": "A bar graph has a broken scale starting from 100. If a bar reaches 120 on the scale, and the actual starting value is 100, what is the actual value of the bar?",
  "options": {
    "A": "20",
    "B": "120",
    "C": "140",
    "D": "220"
  },
  "correct_answer": "B"
}
,  {"id":97,"difficulty":"hard","question":"In a pie chart, two sections differ by 36° and their values differ by 20. What is the total value of the chart?","options":{"A":"200","B":"250","C":"300","D":"350"},"correct_answer":"A"}
, {"id": 98, "difficulty": "hard", "question": "The mode of the data set 2, 3, 4, 3, 5, 2, 3, 4, 6 is _________.", "options": {"A": "2", "B": "3", "C": "4", "D": "5"}, "correct_answer": "B"},
    {"id": 99, "difficulty": "hard", "question": "A pictograph uses different symbols for different categories. If one category has 3 symbols and another has 5 symbols, and the key is the same, which category has a higher value?", "options": {"A": "The one with 3 symbols", "B": "The one with 5 symbols", "C": "Both are equal", "D": "Cannot be determined"}, "correct_answer": "B"},
    {"id": 100, "difficulty": "hard", "question": "The mean of 6 numbers is 15. If five numbers are 12, 14, 16, 18, 20, what is the sixth number?", "options": {"A": "8", "B": "10", "C": "12", "D": "14"}, "correct_answer": "B"}
  ]
}