Groundtruth Exam Answers

Groundtruth Exam Solutions 

1. A company produces electronic devices with a defect rate of 5%. They implement a new quality control system that reduces the defect rate to 2%. By what percentage did the defect rate decrease

2. A construction project is scheduled to be completed in 40 days with a team of 10 workers. Due to unforeseen circumstances, three workers are unavailable for the project. How many additional days will it take to complete the project with the remaining workers?

3. A rectangular field has a length twice its width. The perimeter of the field is 60 meters. What is the area of the field? 

4. A car travels a distance of 240 kilometers with an average speed of 60 km/h. For how many hours did the car travel? 

5. A water tank can be filled by two pipes. Pipe A can fill the tank in 6 hours, while Pipe B can fill the tank in 4 hours. How long will it take to fill the tank if both pipes are open simultaneously?

1. Which of the following is an example of a sustainable engineering practice? 

A) Disposing of hazardous waste in landfills 

B) Designing products for planned obsolescence 

C) Implementing energy-efficient systems

D) Increasing resource consumption for higher production rates

2. When faced with a complex engineering problem, which approach is most effective? 

A) Relying solely on personal experience and intuition 

B) Seeking diverse perspectives and collaborating with team members 

C) Focusing only on the technical aspects without considering external factors 

D) Following a linear and inflexible problem-solving process

3. Which of the following is a crucial aspect of ethical engineering? 

A) Prioritizing cost reduction over safety 

B) Engaging in bribery for project approvals 

C) Adhering to established codes of professional conduct 

D) Ignoring the potential social and environmental impacts

4. During the design phase of a project, what is the primary purpose of a feasibility study? 

A) Determining the final cost estimate 

B) Identifying potential risks and challenges 

C) Outlining the project timeline and milestones 

D) Evaluating the project's technical viability

5. What is the main purpose of a design review in engineering projects? 

A) Identifying and documenting design flaws 

B) Approving the project for implementation 

C) Assessing the project's financial viability 

D) Evaluating the performance of project stakeholders

1. Arrange the following sentences in a logical sequence: 

A) The team analyzed the data and drew conclusions. 

B) The research question was formulated.

C) The methodology was designed and implemented. 

D) The findings were presented in a research paper. 

E) The data collection process was carried out.

2. Select the option that corrects the sentence: "Each of the students in the classroom have completed their assignments."

3. Select the word that best completes the sentence: "The new manufacturing process significantly _________ the production time."

4. Identify the error in the following sentence: "The company's goal is to provide innovative solutions to its customers."

5. Select the option that correctly fills in the blank: "The project deadline is _________ next Friday."

6. Select the option that corrects the sentence: "Her success in the competition was a result of both talent and ___________."

7. Select the word that best completes the sentence: "The professor delivered an engaging lecture, capturing the ________ of the students."

8. Identify the error in the following sentence: "He advices his clients on financial matters and investments."

9. Select the option that correctly fills in the blank: "The company's decision to expand was _________ by market research."

10. Which of the following options correctly rearranges the words to form a grammatically correct sentence?

11. Select the option that corrects the sentence: "The team is working hard in order to meets the project deadline."

12. Select the word that best completes the sentence: "The new software provides _________ functionality and user-friendly interface."

 Which of the following matches the pattern? AS%T88%43

Select one of the options from the given choices:

MNMNNNNMM, MNMMNMNNN, MNMNNNNMM

If DELHI is coded as CCIDD, how would you encode BOMBAY?

1. The population of a city increased by 20% in the first year, decreased by 15% in the second year, and increased by 10% in the third year. What is the overall percentage change in the population? 

2. A sum of money amounts to Rs. 8,000 in 4 years and Rs. 10,000 in 6 years at simple interest. What is the rate of interest? 

3. In a bag, there are 5 red balls, 4 green balls, and 3 blue balls. If a ball is drawn at random, what is the probability of getting a green ball? 

4. A train travels a distance of 480 km in 8 hours. What is its average speed in meters per second?

5. If the cost price of an item is Rs. 500 and it is sold at a profit of 20%, what is the selling price? 

6. A vendor bought 40 dozen bananas at Rs. 30 per dozen. If he sells each banana at Rs. 2, what is his profit percentage? 

7. The LCM of two numbers is 180, and their HCF is 12. If one of the numbers is 36, what is the other number? 

8. If 3x + 7 = 19, what is the value of x?

1. What is the overall average of marks in the four subjects in the year 2009?

2. Supposing there were 40 students in science in the year 2009. How much total of marks they received combined together?

In which year, the difference between the highest and the average marks in Social Science was least?

4. In which year, the difference between the highest and the average marks in Maths was maximum?