Mehtab singh’s OYO Rooms interview experience

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“Mehtab singh” who was placed at “Oyo rooms full time and internshiptalks about his interview experience and some other tips to prepare for placement season. Check out what he says about the placement season.

His Interview was taken by UnsaidTalks Interviewer: “Adarsh Anand”

Profile offered: Software developer

Branch and Graduation Year: Software engineering 2019

Package Offered: 10.5

Cgpa Cutoff : 7.5

Interview Difficulty Level: 7/10 (1-very easy, 10-very difficult)

Here are the questions we asked from Mehtab singh to know about his interview experience.

Question 1:Introduce yourself to our readers.

Answer: Coding enthusiastic, fitness enthusiastic,foodie

Question 2:Describe Your written test experience specifying number of rounds ,details of each round and type of test platform(online -amcat,hackerearth etc offline)

Answer: 1 written test
2 questions
1-rotate array n number of time
2- a problem related to backtracking

Question 3:Describe your all technical interviews specifying number of rounds and details of each round (if any)(please share coding questions if possible)

Answer: 2 technical interviews
1-(1 hour)
Whole interview based on data structures
One question was on trees to swap even level nodes.
Some more basic questions on height of trees and their self balancing nature.
Thoroughly asked about quick sort merge sort insertion sort heap sort as well as their comparison.
Basic questions on linked list and queue.
Question to sort array so that same numbers are consecutive.
Some basic questions on inserting billions of data and the data structure which should be used.

2nd(1.25 hours)
Discussion on projects.
Questions from project like practical implementation, problems faced and was asked how I would handle database concurrency.
Intermediate level questions from dbms.
I was given some attributes and I had to design a database in a normalized way.
Some queries related to joins on some given table.
Locking mechanism of concurrency.
After this question were asked from operating system.
Basic questions on scheduling, synchronization,schedulers, scheduling algorithms, memory management.
Some questions on processes and threads and the difference.
At the end a data structures coding question from arrays was asked and was told to discuss the approach to solve it.

Question 4:Describe your all HR interviews specifying number of rounds and details of each round

Answer: Noee

Question 5:Key factors for your selection

Answer: Good grasp on core subjects like data structures, operating system and dbms.

Question 6:Advice to juniors for technical skills they should develop

Answer: Should choose one language for coding and be fully prepared in that language.
One should have good grasp on core subjects.
practise as much as possible
Have atleast 2 projects which you can explain property to the interviewer and try to have those projects which have practical implementation.

Question 7:Advice to juniors for cracking HR round

Answer: Be confident and answer calmly

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