Mock Test

Q1. The table shows the number of registered voters in four different constituencies. If the total number of registered voters in all four constituencies is 80,000, what is the number of voters in Constituency D?

Q2. A table shows the number of employees in a company working in different departments. If the total number of employees is 800, and the number of employees in the IT department is 200, and in the HR department is 120, what is the ratio of employees in the Sales department to the employees in the Marketing department if the Sales department has 25% of the total employees and the remaining are in the Marketing department?

Q3. A company manufactures three types of products: X, Y, and Z. The production cost per unit for X is $10, for Y is $15, and for Z is $20. The company produced 500 units of X, 300 units of Y, and 200 units of Z in a month. The selling price per unit for X is $18, for Y is $25, and for Z is $35. The profit margin on X is 80% of its production cost. The profit on Y is $10 per unit. If the total revenue from Z is $7,000, what is the total profit of the company in that month?

Q4. A bar graph shows the number of passengers who boarded at different stations. If station A had 800 passengers and station B had 1200 passengers, what is the ratio of passengers from station A to station B?

Q5. A bar graph shows the number of books sold by a publisher in three years. Year 1: 10,000, Year 2: 15,000, Year 3: 12,000. What is the total number of books sold in three years?

Q6. A line graph shows the daily temperature of a city for a week. What was the temperature on Wednesday?

Q7. A line graph shows the number of units produced and sold by a factory over 5 months. If the profit per unit sold was 10%, and the total cost of production in the first three months was 20 lakhs. What is the total profit earned by the factory in the first three months?

Q8. If a table displays data with rows and columns, what is the easiest way to find the value for a specific category and time period?

Q9. The table shows the percentage distribution of expenditure of a household on different items. Food (30%), Education (20%), Rent (25%), Transportation (10%), Miscellaneous (15%). If the total expenditure of the household is ₹60,000 per month, and there is a 10% increase in expenditure on Education and a 5% decrease in expenditure on Food from the previous month, what is the new total expenditure?

Q10. A survey was conducted on 200 students about their favorite fruits. The pie chart shows the distribution of preferences. Apples - 30%, Bananas - 25%, Oranges - 20%, Grapes - 15%, Mangoes - 10%. If 40% of the students who prefer Apples are boys, and the number of girls who prefer Bananas is 25. If the number of boys who prefer Oranges is 20, what is the number of girls who prefer Apples?

Q11. A bar graph shows the number of passengers who boarded and deboarded a train at different stations. If the number of passengers who boarded at station P was 1200 and the number who deboarded at station Q was 800, and the net change in passengers between station P and Q (boarding - deboarding) was 400, what was the number of passengers who deboarded at station P?

Q12. A pie chart shows the percentage of expenditure of a family on different items. Food accounts for 30% of the expenditure. If the total expenditure is 50,000 and expenditure on rent is 15,000, what is the percentage of expenditure on rent?

Q13. A mixed graph shows the number of male and female candidates appearing for an exam in five different states. If the number of female candidates in state P is 40% of the total candidates in state Q, and the number of male candidates in state R is 30% less than the number of female candidates in state S, what is the ratio of the total candidates in state P to the total candidates in state T if the total candidates in state T is 20% more than the total candidates in state Q?

Q14. A bar graph shows the number of students enrolled in different extracurricular activities (Sports, Music, Dance, Art) in a school over three years. Year 1: Sports 200, Music 150, Dance 100, Art 80. Year 2: Sports 220, Music 160, Dance 120, Art 90. Year 3: Sports 240, Music 170, Dance 130, Art 100. If the number of students in Sports increased by 10% from Year 1 to Year 3, and the number of students in Music increased by 15% from Year 1 to Year 3, what is the percentage increase in the number of students in Dance from Year 1 to Year 3?

Q15. What is the main purpose of data cleaning?

Q16. A line graph shows the percentage of marks obtained by a student in six subjects. If the average percentage of marks across all six subjects is 70%, and the percentages in five subjects are 65%, 72%, 68%, 75%, and 70%. What is the percentage of marks in the sixth subject?

Q17. A line graph shows the altitude of a balloon. If the graph shows a downward slope, what is happening to the balloon?

Q18. A line graph shows the percentage increase in the price of a commodity over five consecutive years. Year 1: 10%, Year 2: 15%, Year 3: 12%, Year 4: 18%, Year 5: 20%. If the price of the commodity at the beginning of Year 1 was ₹ 200, what is its price at the end of Year 5?

Q19. What is the average number of students who passed across all five schools?

Q20. A pie chart shows the distribution of students in a college across different streams: Arts, Science, Commerce, Engineering. Arts - 25%, Science - 35%, Commerce - 20%, Engineering - 20%. Total students = 2000. If 40% of Science students are girls, and the number of boys in Arts is 400. If the number of girls in Commerce is 300, what is the number of boys in Engineering?