Data Interpretation Mock Test | Quantitative Aptitude | SSC CGL

Q1. A bar graph shows the sales of a product over five months. If the sales in May were 250 units and the sales in June were 300 units, what is the percentage increase in sales from May to June?

10% 15% 20% 25%

Q2. A double line graph shows the production and consumption of electricity in a city over 10 years. In how many years was the production greater than the consumption?

3 4 5 6

Q3. A pie chart represents the distribution of marks obtained by a student in six subjects. The total marks obtained are 450. If the marks in 'Mathematics' are 90, and in 'Physics' are 75, what is the percentage of marks obtained in 'Chemistry' if the angle of the sector for 'Chemistry' is 60 degrees?

10% 12% 15% 18%

Q4. A line graph shows the number of accidents in a city over 5 years. Year 1: 100, Year 2: 120, Year 3: 110, Year 4: 130, Year 5: 140. How many accidents occurred in Year 4?

100 110 120 130

Q5. A bag contains 5 red balls, 4 blue balls, and 3 green balls. In how many ways can 3 balls be drawn from the bag such that exactly one ball of each color is drawn?

30 45 60 120

Q6. Which data mining technique is used to predict a continuous value, such as the price of a house based on its features?

Classification Clustering Regression Association Rule Mining

Q7. An insurance company uses data from wearable devices to assess health risks. If the data collection method is not transparent about how it influences premiums, what ethical issue arises in interpreting this data?

More accurate risk assessment for insurers. Potential for unfair pricing and discrimination against individuals with certain health conditions. Improved health outcomes for policyholders. Reduced fraud within the insurance system.

Q8. What is a 'legend' in data visualization?

The title of the chart A key explaining the meaning of different colors, shapes, or patterns The data labels The axes

Q9. A company's profit percentage over the last five years (2019-2023) is represented by a line graph. The data shows a steady increase from 2019 to 2021, followed by a sharp decline in 2022, and a moderate recovery in 2023. If the profit in 2021 was ₹1500 lakhs and the profit percentage in 2022 was 20% lower than in 2021, and the revenue in 2021 was ₹7500 lakhs, what can be inferred about the profit in 2022?

Profit in 2022 was approximately ₹1050 lakhs. Profit in 2022 was higher than in 2020. The cost of goods sold in 2022 was higher than in 2021. The profit margin in 2022 was better than in 2021.

Q10. A stacked bar graph shows the revenue generated from online sales and offline sales for a company over three quarters. Q1: Online 50, Offline 70. Q2: Online 60, Offline 80. Q3: Online 70, Offline 90. What is the percentage of offline sales in the total revenue for Q2?

50% 57.14% 60% 66.67%

Q11. What is the combined sales of fruits other than apples and bananas?

30% 35% 40% 45%

Q12. How many 4-digit numbers can be formed using the digits 2, 3, 4, 5, 6, 7 if no digit is repeated?

360 15 420 840

Q13. A scatter plot is best used to show:

Cumulative data Proportions of categories The relationship or correlation between two variables Data points over a timeline

Q14. What is the main purpose of 'data preprocessing' in data mining?

To generate new data To improve the quality and format of data for mining To interpret the results of mining To design new mining algorithms

Q15. A line graph is most effective for showing:

Distribution of data Individual data points Changes over a continuous period Part-to-whole relationships

Q16. A density plot is similar to a histogram but is typically used to show:

The exact value of each data point. A smoothed distribution of data, often using kernel density estimation. The cumulative frequency of data points. The outliers in a dataset.

Q17. A table shows the number of visitors to a museum on different days of the week. If Monday had 300 visitors and Tuesday had 350 visitors, what is the difference in visitors between these two days?

30 40 50 60

Q18. Two trains of equal length are running on parallel tracks with speeds of 50 km/hr and 60 km/hr. In how much time will the faster train cross the slower train completely if they are moving in the same direction?

Depends on the length of the trains Cannot be determined It will never cross 0 time

Q19. A network graph visualizes relationships between different social media influencers and their audience engagement. Nodes represent influencers, and edges represent connections or shared audience segments. If a central node has a very high degree (many connections) and is also highly 'between' other nodes in shortest path calculations, it implies:

This influencer has a niche audience. This influencer acts as a crucial bridge or hub for information and engagement. This influencer has low overall influence. This influencer is isolated from the main network.

Q20. A table shows the marks of 5 students in 3 subjects. If the total marks of Student P are 240 and Student Q are 260, what is the difference in their total marks?

10 20 30 40

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