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Sierra club Interview Questions and Answers
Ques:- Describe your past career in 200 words.
Right Answer:
I have over five years of experience in sales and business development. I started my career as a sales associate at Company A, where I learned the fundamentals of customer engagement and product knowledge. After a year, I was promoted to a sales representative role, where I consistently exceeded my sales targets and built strong relationships with clients.

I then joined Company B as a Business Development Executive, focusing on identifying new market opportunities and developing strategic partnerships. I successfully led initiatives that increased our client base by 30% within two years. My role involved conducting market research, presenting proposals, and negotiating contracts.

Most recently, I worked as a Sales Manager at Company C, where I managed a team of five sales representatives. I implemented training programs that improved team performance and boosted overall sales by 25%. I am passionate about driving growth and building lasting client relationships, and I am excited to bring my skills and experience to a new challenge.
Ques:- What is the difference between aim & objectives?
Asked In :-
Right Answer:
Aims are broad, general statements about what you want to achieve, while objectives are specific, measurable steps that help you reach those aims.
Ques:- Why do you Believe that you are Qualified for this Position?
Asked In :-
Right Answer:
I believe I am qualified for this position because I have extensive experience in designing scalable architectures, a strong understanding of various technologies, and a proven track record of successfully leading projects from concept to implementation. My ability to collaborate with cross-functional teams and my commitment to continuous learning further enhance my suitability for this role.
Ques:- How many hour you can work?
Asked In :-
Right Answer:
I can work full-time, typically around 40 hours a week, but I'm flexible and can adjust based on project needs.
Ques:- Tell me about any quality efforts you have overseen or implemented. Describe some of the challenges you faced and how you overcame them.
Asked In :-
Right Answer:
In my previous role, I led a quality improvement initiative focused on automating our testing processes. One major challenge was resistance from the team, who were accustomed to manual testing. To overcome this, I organized training sessions to demonstrate the benefits of automation, showcasing how it could save time and reduce errors. I also involved team members in the selection of tools, which increased their buy-in. As a result, we successfully implemented automated tests, improving our release cycle efficiency by 30%.
Ques:- Present ages of Sameer and Anand are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Anand’s present age in years?
Right Answer:
Anand's present age is 32 years.
Ques:- How do you feel about working nights and weekends?
Asked In :-
Right Answer:
I am flexible and willing to work nights and weekends if needed to meet project deadlines or support the team.
Ques:- What made you apply for this position?
Asked In :-
Right Answer:
I applied for this position because I am passionate about software testing and architecture, and I believe my skills and experience align well with the responsibilities of this role. I am excited about the opportunity to contribute to your team and help improve the quality of your software products.
Ques:- Why do you want leave your current job?
Asked In :-
Right Answer:
I am looking for new challenges and opportunities for growth that align more closely with my career goals.
Ques:- How do you keep your self professionally updated?
Asked In :- metricstream,
Right Answer:
I keep myself professionally updated by reading industry blogs, attending webinars and conferences, participating in online forums, taking relevant courses, and following thought leaders on social media.
Ques:- What are outliers in data and how do you identify and handle them in data interpretation
Right Answer:

Outliers are data points that are significantly different from the rest of the values in a dataset. They appear unusually high or low compared to the majority and can affect the accuracy of your analysis.

For example, if most students score between 60 and 90 on a test, but one student scores 10, that 10 is likely an outlier.

🔍 How to Identify Outliers:

You can detect outliers using several common methods:

1. Visual methods:
- Box plot: Outliers appear as dots outside the “whiskers” of the box.
- Scatter plot: Outliers stand far away from the main cluster of points.

2. Statistical methods:
- Z-score: Measures how far a data point is from the mean. A score above 3 or below -3 is often considered an outlier.
- IQR (Interquartile Range):
 Outliers fall below Q1 – 1.5×IQR or above Q3 + 1.5×IQR

3. Domain knowledge:
Sometimes, a value may look extreme but is valid based on real-world context. Always consider the background before deciding.

Explanation:

Let’s say you have the following data on daily sales:
45, 48, 50, 47, 49, 100

Here, “100” stands out from the rest and may be an outlier.

✅ How to Handle Outliers:

- Investigate: Is it a typo or a valid value?
- Remove: If it’s an error or not relevant, you can exclude it from analysis.
- Transform: Use techniques like log transformation to reduce its impact.
- Use robust statistics: Median and IQR are less affected by outliers than mean and standard deviation.

Ques:- A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least number of trees required.
Asked In :-
Right Answer:
The least number of trees required is 60.
Comments
Hemant Aug 10, 2021

Total 60 trees
4 rows each with 15 trees
5 rows each with 12 trees
6 rows each with 10 trees

Ques:- what is the lcm of under root 2 and under root 3
Asked In :-
Right Answer:
The LCM of √2 and √3 is √6.
Ques:- Why a gap in between your +2 and graduation?
Asked In :-
Right Answer:
I took a gap between my +2 and graduation to focus on personal development, explore my interests, and gain practical experience through internships and self-study, which ultimately helped me clarify my career goals.
Ques:- You are given with two identical iron bars. one of them is magnetized and the other is not. u are suppose to find which one is magnetized. u are not suppose to use any other thing.
Asked In :- shapes,
Right Answer:
You can test which iron bar is magnetized by bringing the two bars close to each other. The magnetized bar will attract the non-magnetized bar.
Ques:- Find the missing number in the series. 1, 4, 6, 8, 9, 10, 12, ..
Asked In :-
Right Answer:
14
Ques:- A+B+C+D=D+E+F+G=G+H+I=17 where each letter represent a number from 1 to 9. Find out what does letter D and G represent if letter A=4. give the steps
Asked In :-
Right Answer:
D = 5, G = 6.
Comments
Admin May 17, 2020

d=5
g=1
a=4, b=6,c=2,d=5,e=8,f=3,g=1,h=9,i=7

Admin May 17, 2020

d=2
g=3

Ques:- What was the toughest part of your last job?
Asked In :- emv,
Right Answer:
The toughest part of my last job was managing tight deadlines while ensuring data integrity and performance optimization in the database.
Ques:- A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters back downwards. How many days does it take before the snail reaches the top of the pit?
Asked In :-
Right Answer:
The snail takes 16 days to reach the top of the pit.
Ques:- Present duties and responsibility.
Asked In :-
Right Answer:
In my current role, my duties include developing and implementing quality assurance processes, conducting regular audits and inspections, analyzing test results, collaborating with cross-functional teams to resolve quality issues, and ensuring compliance with industry standards and regulations. I also provide training and support to team members on quality control practices.
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