Octro Software Engineer Interview Questions, Process, and Tips

Two coding questions and 15 mcq

Q1. Questions on priority queue
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Q2. Question on dp , stack were askef
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Q1. Graph related questions
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Q2. Database related questions
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Q1. If you are fine with flexible timings
Ans. 
Yes, I am fine with flexible timings as it allows me to manage my work-life balance effectively.
• I am comfortable with flexible timings as it helps me accommodate personal commitments.

• I believe in focusing on productivity rather than strict working hours.

• I am adaptable and can work efficiently regardless of the time of day.

• I can provide examples of times when flexible timings have benefited my work performance.
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Q2. Discussed about projects
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Contains linear and non linear data structures deep knowledge of trees and graphs

Q1. Able to do dry run on page
Ans. 
Dry run on a page involves testing the code without actually executing it.
• Dry run involves walking through the code manually to check for errors

• Helps in identifying logic errors before actual execution

• Commonly used in debugging and testing code
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Q1. Project Discussion Broad discussion on Database, indexing, hashing 1. Search in Sorted Array 2. Pattern Matching Algorithm 3. Print 1 to N in binary without using any predefined methods (using Queue).
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There were 10 questions and we were given 30 mins to solve them , questions were medium to hard level mcq

Question based on Probability , Logic (Puzzles) , Statistics

Q1. Question based on Logic(Puzzles) , mostly Statistics
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Q2. Explain Anova Test with real time example
Ans. 
Anova Test is used to compare means of three or more groups.
• Anova stands for Analysis of Variance

• It is used to determine if there is a significant difference between the means of three or more groups

• It compares the variance within groups to the variance between groups

• Real-time example: An Anova test can be used to compare the average salaries of employees in different departments of a company
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Q1. Asked different variety of puzzles
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We have given 12 puzzles on hackerearth based on probability and statistics and have to solve in 45 minutes

Q1. There is a biased dice with the probability of 1 and 2 is 25% each. Find the probability of even number.
Ans. 
The probability of rolling an even number on a biased dice with 25% chance for 1 and 2 is 50%.
• The biased dice has a 25% chance for rolling a 1 and a 25% chance for rolling a 2, totaling 50% for odd numbers.

• Since there are only two odd numbers on a dice (1 and 2), the probability of rolling an even number is 50%.

• The probability of rolling an even number on a standard dice is 50% as well, since there are 3 even numbers o
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Q2. What is the pdf and pmf?
Ans. 
PDF stands for Probability Density Function and PMF stands for Probability Mass Function.
• PDF is used for continuous random variables while PMF is used for discrete random variables.

• PDF represents the probability distribution of a continuous random variable.

• PMF represents the probability distribution of a discrete random variable.

• Example: PDF can be used to calculate the probability of a random variable falling within a...read more
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