Aerchain SDE Interview Questions and Answers

Q1. What is gcd? And explain it
Ans. 
gcd stands for greatest common divisor, the largest positive integer that divides two or more numbers without leaving a remainder.
• gcd is used to find the largest integer that can evenly divide two or more numbers.

• It is commonly used in mathematics and computer science algorithms.

• For example, the gcd of 12 and 18 is 6, as 6 is the largest number that can divide both 12 and 18 without leaving a remainder.
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Q2. What is arc and explain it
Ans. 
ARC stands for Automatic Reference Counting, a memory management technique used in programming languages like Objective-C and Swift.
• ARC automatically tracks and manages the memory used by objects in a program

• It increases the retain count of an object when it is referenced and decreases it when it is no longer needed

• ARC helps prevent memory leaks and retain cycles in iOS and macOS development
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Were very hard questions and all were related to basic arithmetic and analytics and statistics.

Q1. What is the expected salary and current work profile.
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Q2. About my skills and expertise.
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Q1. App se koi ghuse me bat karta hai to kya karegi
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Q2. App ko koi jyda selery dega to app job choregi ya nhi
Ans. Sir me job to nhi chorungi q ki ye mera mn lyak kam.hai jisme mn lge ohi kam karna chiye
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Q3. App tecket executive q karna chati hai
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Q4. Q sir me isme mhir hu or me achhe se kar leti hu
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Q5. App se koi staff batimiji se bat karta hai to kya karegi
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Q6. Me use achhe se bat karungi
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Jyoti singh vill eksar post eksar

Q1. Easy questions were asked to check
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Q2. Sql, power bi, excel easy questions
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Q1. Airline network case study. It was a good round and I enjoyed it. The interviewer has been working in Air India since many years. He was helpful during the interview and made me comfortable.
Ans. I answered the case study with my previous experience in aviation. It was about Origin and Destination points in a flight route and also about solving low seat factor issues. This position was in Commercial Planning and Performance department and I appreciate the support shown by the interviewer.
Answered by abc12
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Q1. Round 2 by another manager.(ex- Indigo).....how do you manage your expenses? i know you are desperate for a job!! when did you complete your schooling? how did you pay your university fees? father bhi reti...read more
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Hackerrank test basic kotlin and android

Data analysis , SQL, python, ML

Excellent performance

Q1. Tell me about your self
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Q2. Are you comfortable to position
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Q1. What do you best like about your role?
Ans. 
I enjoy the variety of challenges and problem-solving involved in analyzing business processes.
• I love the opportunity to work with stakeholders from different departments to understand their needs and goals.

• I find satisfaction in identifying inefficiencies in current processes and proposing solutions for improvement.

• I appreciate the analytical aspect of the role, where I get to dive deep into data to uncover insights t...read more
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Q2. What so you dislike about your role?
Ans. 
I dislike the lack of clear direction and constantly changing priorities in my role.
• Lack of clear direction from management

• Constantly changing priorities make it difficult to focus

• Feeling overwhelmed by the volume of work and expectations

• Limited opportunities for growth and advancement
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