Mock Test

Q1. A bar graph shows the production of wheat in tonnes for 5 different years. What was the difference in production between the year with the highest production and the year with the lowest production?

Q2. A company's website traffic increased by 25% from January to February, and then by 20% from February to March. What is the overall percentage increase in website traffic from January to March?

Q3. A shopkeeper sells an article for Rs. 800 at a loss of 20%. For what price should he sell it to gain 30%?

Q4. A solid cylinder of radius 3 cm and height 10 cm is melted and recast into smaller cylinders of radius 1 cm and height 2 cm. How many smaller cylinders can be formed?

Q5. A security analysis found that 20% of network vulnerabilities were critical, 50% were high, and 30% were medium. If there were a total of 300 vulnerabilities, how many were classified as high?

Q6. Which symbol represents 'greater than or equal to'?

Q7. The bar graph represents the number of passengers who travelled by different modes of transport. If 20,000 passengers travelled by bus, and this is 25% of the total passengers, how many passengers travelled by train?

Q8. A number is increased by 10% and then decreased by 10%. The final number is what percentage of the original number?

Q9. Which city has the lowest population?

Q10. The data shows the production of steel and iron (in tons) by a factory over six months. If the average production of steel in the first three months was 120 tons and the average production of iron in the last three months was 150 tons, what is the ratio of the total production of steel in the last three months to the total production of iron in the first three months?

Q11. The bar graph shows the number of candidates appearing for a competitive exam from different states. If the number of candidates from State A is 6000, what is the total number of candidates from all states?

Q12. The line graph depicts the percentage of successful transactions by two online payment gateways, Gateway A and Gateway B, over 5 months. If the number of attempted transactions for Gateway A in the 2nd month was 20,000, and the number of successful transactions for Gateway B in the 4th month was 15% more than the number of successful transactions for Gateway A in the 2nd month, what was the number of attempted transactions for Gateway B in the 4th month?

Q13. Which of the following is an example of qualitative data?

Q14. The graph shows the number of boys and girls in a school over four years. In which year was the ratio of boys to girls the highest?

Q15. A survey on data security practices found that 30% of small businesses use cloud storage, and 40% of those cloud users do not have multi-factor authentication enabled. If there are 2000 small businesses surveyed, and a data breach occurs due to a compromised cloud account without MFA, what is the maximum number of affected businesses?

Q16. In a right-angled triangle, the sides are in the ratio 3:4:5. If the perimeter is 60 cm, what is the area of the triangle?

Q17. In a clustering analysis of customer demographics, the Davies-Bouldin index for k=3 is 0.55 and for k=4 is 0.62. A lower Davies-Bouldin index indicates better clustering. What is the likely optimal number of clusters?

Q18. A cybersecurity firm analyzes network traffic data to detect threats. If the data collection methods do not clearly inform users, what ethical principle related to data interpretation is potentially compromised?

Q19. What is the simple interest on Rs. 1800 for 4 years at 5% per annum?

Q20. What does 'data compliance' in data governance ensure?