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WeKanCode Interview Questions and Answers

Updated 29 Aug 2024

WeKanCode Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Schema design and data modelling in mongoDB

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Interview Questionnaire 

1 Question

  • Q1. Questions on conditional probability

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare probability/statistics etc.

I appeared for an interview before Dec 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 87 minutes
Round difficulty - Medium

Timing : It was conducted in evening at 3 PM
The pacreception environment was very user friendly .
The platform was audio and video proctored.

  • Q1. 

    Binary to Decimal Conversion

    Convert a given binary number, represented as a string 'S' of size 'N', into its decimal equivalent integer and output it.

    Input:

    The first line contains an integer 'T', den...
  • Ans. 

    Convert a binary string to its decimal equivalent integer.

    • Iterate through the binary string from right to left, multiplying each digit by 2 raised to the power of its position.

    • Add the results of the multiplication to get the decimal equivalent.

    • Ensure the binary string consists only of '0' and '1' characters.

    • Handle multiple test cases by repeating the conversion process for each case.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 80 minutes
Round difficulty - Medium

So This was a very interactive round . There were two interviewers , one male and one female . The male interviewer was quite experienced where as female interviewer was relatively new . The Interview started by a small introduction followed by some OOPS related questions where I was tested on how i perceive the concept of OOPS in real life . Then this conversation was followed by some core concepts of JAVA like abstract classes and interfaces . Then I was asked about my projects that i mentioned in my resume , then after some healthy discussion on those projects , the interviewer started to question about DBMS , I was asked some basic queries followed by some advanced queries and then followed by a discussion on SQL vs NoSQL . Then Interviewers asked me about my tech stack and the source of my technical knowledge. Then at last I was asked that why Blackrock and this concluded my Interview.

  • Q1. 

    Ninja And The Triangle Problem Statement

    Ninja is provided with 'N' stars and the task is to construct a triangle such that the 'i'th level of the triangle uses 'i' number of stars. The goal is to make th...

  • Ans. 

    Given 'N' stars, construct a triangle with maximum height using 'i' stars in 'i'th level.

    • Calculate the maximum height of the triangle using the formula: height = floor((-1 + sqrt(1 + 8 * N)) / 2)

    • Iterate through each test case and calculate the maximum height for each 'N'.

    • Output the maximum height for each test case.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from TIET - Thapar Institute of Engineering And Technology. I applied for the job as SDE - 1 in MumbaiEligibility criteriaAbove 7 CGPABlackrock interview preparation:Topics to prepare for the interview - Data Structures , Algorithms , Operation Systems , OOPS , DBMS , Web DevelopmentTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Be precise about what to do and what not to do.
Tip 2 : Always Revise the concepts you have done in past , use prime day revision theory.
Tip 3 : Do as many projects as you can but always mention those projects in which you are very well versed.
Tip 4 : Keep on reading random news related to your favourite tech and always have an in depth knowledge of what tech you currently use.

Application resume tips for other job seekers

Tip 1 : Keep it short , precise and effective .
Tip 2 : Mention even small things that you did had an impact on other people.

Final outcome of the interviewRejected

Skills evaluated in this interview

I appeared for an interview in Sep 2016.

Interview Questionnaire 

9 Questions

  • Q1. How does Internet work?
  • Ans. 

    The Internet is a global network of computers that communicate with each other using standardized protocols.

    • The Internet is made up of millions of interconnected devices, including computers, servers, routers, and switches.

    • Data is transmitted over the Internet in the form of packets, which are small units of information.

    • The Internet uses a set of protocols, such as TCP/IP, to ensure reliable and efficient communication...

  • Answered by AI
  • Q2. Difference between http and https?
  • Ans. 

    HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.

    • HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

    • HTTP operates on port 80, while HTTPS operates on port 443.

    • HTTP data is transmitted in plain text, while HTTPS data is encrypted using SSL/TLS.

    • HTTPS provides authentication, integrity, and confidentiality of data exchanged between a client and a server.

    • W...

  • Answered by AI
  • Q3. What is white and black box testing?
  • Ans. 

    White box testing is a method of testing where the internal structure and implementation details of the software are known and tested. Black box testing is a method of testing where the internal structure and implementation details of the software are unknown and only the inputs and outputs are tested.

    • White box testing is also known as clear box testing, glass box testing, or structural testing.

    • It focuses on testing th...

  • Answered by AI
  • Q4. Write the code to print the pattern that was provided?
  • Ans. 

    Print a pattern using code

    • Use nested loops to iterate through rows and columns

    • Use string concatenation to build each row of the pattern

    • Print each row to display the pattern

  • Answered by AI
  • Q5. Merge two arrays without using a third array.
  • Ans. 

    Merge two arrays without using a third array.

    • Use the concat() method to merge the arrays.

    • Alternatively, you can use the push() method to add elements from one array to another.

    • Remember to handle the case where the arrays have different lengths.

  • Answered by AI
  • Q6. Three ants are at the corner of the triangle. Find the probability that they will never meet.
  • Ans. 

    The probability that three ants at the corner of a triangle will never meet.

    • The ants can move randomly in any direction.

    • The probability depends on the shape and size of the triangle.

    • The probability can be calculated using geometric probability or simulation.

    • Assumptions need to be made about the ants' movement patterns.

  • Answered by AI
  • Q7. Basic Introduction.
  • Q8. Tell me the times you have regreted your decisions and how did you cope up with it.
  • Ans. 

    I have regretted decisions in the past but learned from them to make better choices in the future.

    • Regretted not studying enough for a crucial exam, leading to a lower grade. Learned to prioritize studying and time management.

    • Regretted not speaking up in a meeting when I had a valuable idea. Learned to be more assertive and confident in sharing my thoughts.

    • Regretted not taking a job opportunity that could have advanced ...

  • Answered by AI
  • Q9. Tell me about yor family , hobbies and any event that made you and your family feel proud.
  • Ans. 

    I come from a close-knit family with a passion for outdoor activities. We recently celebrated my brother's graduation, which was a proud moment for all of us.

    • Family: Close-knit and supportive

    • Hobbies: Outdoor activities like hiking and camping

    • Proud moment: Brother's graduation ceremony

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: They basically are testing your reflexes and how quick you are at understanding a problem and arriving at a solution.
Tips: For greater accuracy attempt lesser questions ensuring each of the attemped one's are correct.
Duration: 45 minutes
Total Questions: 50

Round: Technical Interview
Tips: Just be thorough with basic concepts of programming and be yourself.

Round: HR Interview
Tips: Relax and be cool. Don't answer just for the sake of answering it.

Skills: Basic C/C++, implementing , networks
College Name: Thapar University, Patiala

Skills evaluated in this interview

I appeared for an interview before Jun 2016.

Interview Questionnaire 

4 Questions

  • Q1. Ratios
  • Q2. Securitization
  • Q3. Expected package
  • Q4. Preferred location
  • Ans. 

    I prefer to work in a location that offers a vibrant and diverse community, with access to cultural events and opportunities for personal growth.

    • I value a location that has a strong sense of community and offers a variety of cultural activities.

    • Access to educational and personal growth opportunities is important to me.

    • I am open to considering different locations that meet these criteria.

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: Financial aspects were covered in this round
Tips: Polish your technical skills

Round: Test
Duration: 1 hour
Total Questions: 20

College Name: Amity School Of Engineering And Technology, Noida

Analyst Interview Questions & Answers

Blackrock user image Riddhima Arora

posted on 25 Aug 2017

I appeared for an interview before Aug 2016.

Interview Questionnaire 

2 Questions

  • Q1. Questions on databases
  • Q2. Why should we hire you?
  • Ans. 

    I have the analytical skills, experience, and passion to excel in this role.

    • I have a strong background in data analysis and interpretation

    • I have experience in using various analytical tools and techniques

    • I am detail-oriented and have a proven track record of delivering accurate and insightful analysis

    • I am a quick learner and can adapt to new challenges and environments easily

  • Answered by AI

Interview Preparation Tips

Round: Test
Duration: 1 hour

Skills: Computer Science
College Name: Thapar University, Patiala

I appeared for an interview before Jan 2016.

Interview Questionnaire 

1 Question

  • Q1. Elevator design and puzzles and core java and sql queries

Interview Preparation Tips

Round: Test
Tips: Speed and accuracy needed
Duration: 1 hour 30 minutes
Total Questions: 30

Skills: Analytical Skills, Java Programming, Mysql
College Name: IIIT Allahabad

I appeared for an interview before Jun 2016.

Interview Questionnaire 

2 Questions

  • Q1.  Given k and DFS traversal string for a k-ary tree, construct the tree. The String contains P (if a parent) and L (if a leaf). E.g. - k=3, str="PPLLLLL" 2. All the strings are arranged in the following ord...
  • Ans. 

    The question asks to construct a k-ary tree using the given k and DFS traversal string.

    • Iterate through the DFS traversal string

    • If the current character is 'P', create a parent node

    • If the current character is 'L', create a leaf node

    • Link the nodes according to the DFS traversal order

  • Answered by AI
  • Q2. "How would you tell whether a graph has a node with n degree?"
  • Ans. 

    To determine if a graph has a node with n degree, iterate through all nodes and count their edges.

    • Iterate through each node in the graph

    • Count the number of edges connected to each node

    • If any node has n edges, then the graph has a node with n degree

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Questions on C++(Virtual fns, inheritance). Two on probability, 12 on Algorithms
Duration: 45 minutes

Round: Technical + HR Interview
Experience: He asked some more puzzles and some probability (expectation) questions. Then, he modified one question asked in the written test and asked me write code for it on paper.
Tips: First of all, prepare all the questions asked in the test before going for the interviews.


Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Feb 2024.

Round 1 - Coding Test 

First round was a coding test which has 2 problem solving questions and 3 subjective questions based on C++

Round 2 - Technical 

(1 Question)

  • Q1. This is also based on problem solving and DSA. A small part will be OS and network.
Round 3 - Coding Test 

More of a subjective round, highly focused on OS, networking and computer architecture.

Round 4 - Technical 

(1 Question)

  • Q1. This round is with the HM, totally subjective. Highly focused on past experience, current projects etc.
Round 5 - HR 

(1 Question)

  • Q1. HR discussion mostly questions are related to past and current experience.

Interview Preparation Tips

Interview preparation tips for other job seekers - CS fundamentals should be very strong.
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

3 coding questions

Round 3 - One-on-one 

(1 Question)

  • Q1. Design a Time Series Database
  • Ans. 

    A time series database stores data points with timestamps for efficient retrieval and analysis.

    • Choose a suitable data model for the database

    • Use a time-based partitioning scheme for efficient data retrieval

    • Implement compression techniques to reduce storage requirements

    • Support for querying and analyzing time-based data

    • Ensure data consistency and durability

    • Consider scalability and high availability

    • Examples: InfluxDB, Time

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Leetcode prep will help. Do system design practice thoroughly.

WeKanCode Interview FAQs

How many rounds are there in WeKanCode interview?
WeKanCode interview process usually has 1 rounds. The most common rounds in the WeKanCode interview process are One-on-one Round.
How to prepare for WeKanCode interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at WeKanCode. The most common topics and skills that interviewers at WeKanCode expect are MongoDB, Java, Javascript, NoSQL and Android.

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WeKanCode Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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WeKanCode Reviews and Ratings

based on 6 reviews

5.0/5

Rating in categories

4.9

Skill development

4.1

Work-life balance

4.7

Salary

4.8

Job security

4.9

Company culture

4.6

Promotions

4.9

Work satisfaction

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