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Xeno Interview Questions and Answers

Updated 10 Dec 2024
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8 Interview questions

A Software Developer was asked 7mo ago
Q. Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution, and you may not use ...
Ans. 

The 2 Sum problem involves finding two numbers in an array that add up to a specific target sum.

  • Use a hash map to store numbers and their indices for quick lookup.

  • Iterate through the array, checking if the complement (target - current number) exists in the map.

  • Example: For nums = [2, 7, 11, 15] and target = 9, return indices [0, 1] since 2 + 7 = 9.

  • Time complexity is O(n) due to single pass through the array.

View all Software Developer interview questions
A Senior Software Engineer was asked 11mo ago
Q. Given a dataset of hotels, how would you find the number of bookings?
Ans. 

Calculate the number of hotel bookings from a given dataset of hotels and their booking details.

  • Identify the data structure: Ensure the dataset contains booking information, such as hotel ID, customer ID, and booking dates.

  • Count unique bookings: Use a method to count unique entries based on hotel ID and booking dates to avoid duplicates.

  • Example: If hotel A has 3 bookings on different dates and hotel B has 2 bookin...

View all Senior Software Engineer interview questions
A Senior Software Engineer was asked 11mo ago
Q. Write an SQL query to solve a problem based on joins, similar to those found on LeetCode.
Ans. 

SQL joins combine rows from two or more tables based on related columns, essential for relational database queries.

  • INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.a_id;

  • LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.a_id;

  • RIGHT JOIN: Returns all records fro...

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A Software Developer Intern was asked
Q. Given an integer array nums and an integer k, return true if nums has a continuous subarray of size at least two whose elements sum up to a multiple of k, or false otherwise.
Ans. 

Determine if a continuous subarray sums to a multiple of k.

  • A continuous subarray is defined as a sequence of elements from the array.

  • The sum of the subarray must be a multiple of k (i.e., sum % k == 0).

  • Example: For nums = [23, 2, 4, 6, 7] and k = 6, the subarray [2, 4] sums to 6, which is a multiple of 6.

  • Use a hashmap to store the cumulative sum and its index to check for previous occurrences.

  • If the same cumulativ...

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A Software Development Engineer Intern was asked
Q. You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?
Ans. 

Dynamic programming approach to solve the stair climbing problem efficiently.

  • Define the problem: Given n stairs, find the number of ways to reach the top.

  • Base cases: If n = 0, return 1; if n = 1, return 1.

  • Recurrence relation: ways(n) = ways(n-1) + ways(n-2).

  • Use an array to store results of subproblems to avoid recomputation.

  • Example: For n = 4, ways(4) = ways(3) + ways(2) = 3 + 2 = 5.

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A Software Development Engineer Intern was asked
Q. You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the fut...
Ans. 

Determine the best time to buy and sell stock to maximize profit from given price data.

  • Identify the lowest price to buy before a higher price to sell.

  • Track price changes over time to find optimal buy/sell points.

  • Example: Prices = [7, 1, 5, 3, 6, 4]; Buy at 1, sell at 6 for max profit of 5.

  • Consider edge cases: prices always decreasing means no profit can be made.

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A Software Developer was asked 7mo ago
Q. Linked List Problem Statement Given a linked list, implement various operations such as insertion, deletion, and traversal. Describe how you would approach solving problems related to linked lists, such as ...
Ans. 

Implement various operations on a linked list and solve related problems like reversing a linked list or detecting a cycle.

  • Understand the basic structure of a linked list with nodes containing data and a reference to the next node.

  • For insertion, update the pointers of the nodes accordingly to maintain the sequence.

  • For deletion, adjust the pointers to skip the node to be deleted.

  • To reverse a linked list, iterate th...

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A Software Development Engineer Intern was asked
Q. Longest common subsequence
Ans. 

Longest common subsequence is the longest sequence of characters that appear in the same order in two or more strings.

  • Use dynamic programming to solve this problem efficiently.

  • Create a 2D array to store the lengths of longest common subsequences of substrings.

  • Traverse the array to find the longest common subsequence.

View all Software Development Engineer Intern interview questions

Xeno Interview Experiences

5 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. 2 sum problem [leetcode]
  • Q2. Linkedlist problem
  • Ans. 

    Implement various operations on a linked list and solve related problems like reversing a linked list or detecting a cycle.

    • Understand the basic structure of a linked list with nodes containing data and a reference to the next node.

    • For insertion, update the pointers of the nodes accordingly to maintain the sequence.

    • For deletion, adjust the pointers to skip the node to be deleted.

    • To reverse a linked list, iterate through...

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Given a data set of hotel you need to find number of booking.
  • Ans. 

    Calculate the number of hotel bookings from a given dataset of hotels and their booking details.

    • Identify the data structure: Ensure the dataset contains booking information, such as hotel ID, customer ID, and booking dates.

    • Count unique bookings: Use a method to count unique entries based on hotel ID and booking dates to avoid duplicates.

    • Example: If hotel A has 3 bookings on different dates and hotel B has 2 bookings, t...

  • Answered by AI
  • Q2. SQL Query based upon join leetcode.
  • Ans. 

    SQL joins combine rows from two or more tables based on related columns, essential for relational database queries.

    • INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.a_id;

    • LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.a_id;

    • RIGHT JOIN: Returns all records from the...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Coding Test 

He will be asking you about the logic you used to solve the OA questions. So prepare well.
He then asked questions from my resume and asked me to code and explain cycle in a linked list. I easily did the coding part using brute force and optimized approach but then he asked my to give proof that why tortoise and hare algo will work here. I explained him the mathematical proof.

Round 2 - One-on-one 

(2 Questions)

  • Q1. In this round he started asking questions from my resume and then gave me DSA question to solve which was 523. Continuous subarray sum and then he asked me several question related to Reactjs , Nodejs , Mo...
  • Q2. 523. Continuous Subarray sum
  • Ans. 

    Determine if a continuous subarray sums to a multiple of k.

    • A continuous subarray is defined as a sequence of elements from the array.

    • The sum of the subarray must be a multiple of k (i.e., sum % k == 0).

    • Example: For nums = [23, 2, 4, 6, 7] and k = 6, the subarray [2, 4] sums to 6, which is a multiple of 6.

    • Use a hashmap to store the cumulative sum and its index to check for previous occurrences.

    • If the same cumulative sum...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare dsa and full stack questions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 

Easy basic dsa questions

Round 3 - Technical 

(5 Questions)

  • Q1. Basics of dsa and project discussion
  • Q2. Stair climbing based on dp
  • Q3. Longest common subsequence
  • Ans. 

    Longest common subsequence is the longest sequence of characters that appear in the same order in two or more strings.

    • Use dynamic programming to solve this problem efficiently.

    • Create a 2D array to store the lengths of longest common subsequences of substrings.

    • Traverse the array to find the longest common subsequence.

  • Answered by AI
  • Q4. Buy and sell stock
  • Q5. Project discussion based on resume

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare dsa well

Skills evaluated in this interview

Senior Consultant Interview Questions & Answers

user image Abrar Mansuri

posted on 18 Jun 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - One-on-one 

(1 Question)

  • Q1. Sql questions, analytics questions, case study

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Interview questions from similar companies

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

I applied via Referral and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Technical 

(6 Questions)

  • Q1. What is Seo and how its works
  • Ans. 

    SEO stands for Search Engine Optimization. It is the process of optimizing a website to improve its visibility on search engines.

    • SEO involves optimizing website content, meta tags, and backlinks to improve search engine rankings.

    • Keywords play a crucial role in SEO, as they help search engines understand the content of a website.

    • Quality content, mobile optimization, and user experience are also important factors in SEO.

    • ...

  • Answered by AI
  • Q2. Steps for SEO Checklist
  • Ans. 

    SEO checklist includes keyword research, on-page optimization, link building, and tracking results.

    • Perform keyword research to identify relevant keywords for your website

    • Optimize on-page elements such as title tags, meta descriptions, and headings

    • Build high-quality backlinks from reputable websites

    • Track and analyze SEO performance using tools like Google Analytics

  • Answered by AI
  • Q3. How to Do Content Optimization
  • Q4. How to optimize website
  • Q5. How to work with team on a diffrent projects
  • Q6. How to initiate audits of the website
Round 2 - HR 

(2 Questions)

  • Q1. What is Current salary
  • Q2. What is expected salary

Interview Preparation Tips

Interview preparation tips for other job seekers - Highly knowledgable team, you cant say they dont know anything. The interview round is good if you know about SEO on a serious note.

Skills evaluated in this interview

I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.

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 - One-on-one 

(2 Questions)

  • Q1. Technical questions,
  • Q2. Personal questions with respect to past office experiences

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared technically to provide correct answers

Interview Questions & Answers

Conversion Perk user image Anonymous

posted on 23 Aug 2020

I applied via LinkedIn and was interviewed in Jul 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. What are the most important KPIs one should consider to calculate the success of any marketing campaigns.
  • Q2. Would you please explain RLSA campaigns
  • Ans. 

    RLSA campaigns are a type of Google Ads campaign that allows advertisers to target previous website visitors with customized ads when they search on Google.

    • RLSA stands for Remarketing Lists for Search Ads.

    • It allows advertisers to adjust bids, create tailored ads, and target specific keywords for users who have previously visited their website.

    • RLSA campaigns can help increase conversion rates and ROI by targeting users ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for some advanced and conceptual questions if you are planning to visit Conversion Perk for interviews.

Skills evaluated in this interview

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

I applied via Referral and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(4 Questions)

  • Q1. What is SEO and how we can define it?
  • Q2. What are the types of SEO?
  • Q3. How SEO is best for business?
  • Ans. 

    SEO helps businesses improve their online visibility, attract more organic traffic, and increase brand awareness.

    • SEO helps businesses rank higher in search engine results, leading to increased organic traffic.

    • It helps improve website usability and user experience, leading to higher conversion rates.

    • SEO can help businesses build brand credibility and trust among consumers.

    • It allows businesses to target specific keywords...

  • Answered by AI
  • Q4. What is off page, on page and technical SEO?
  • Ans. 

    Off page SEO involves external factors like backlinks, on page SEO focuses on optimizing content and technical SEO deals with website structure and performance.

    • Off page SEO includes building backlinks from other websites to improve search engine rankings.

    • On page SEO involves optimizing content, meta tags, and headings for better visibility on search engines.

    • Technical SEO focuses on improving website structure, speed, a...

  • Answered by AI
Round 2 - HR 

(3 Questions)

  • Q1. What is the current Salary?
  • Q2. What is expected Salary?
  • Ans. 

    Salary expectations are based on industry standards, experience, and skills.

    • Research industry standards for SEO Executive salaries

    • Consider your level of experience and skills

    • Factor in the location of the job and cost of living

    • Be prepared to negotiate based on the job responsibilities and benefits package

  • Answered by AI
  • Q3. How much time you need to join?

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Basic SEO Topics

Skills evaluated in this interview

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

I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(4 Questions)

  • Q1. How you handle SEO projects?
  • Ans. 

    I handle SEO projects by conducting keyword research, optimizing website content, building backlinks, and analyzing performance metrics.

    • Conduct thorough keyword research to identify relevant terms and phrases

    • Optimize website content by incorporating keywords naturally and improving meta tags

    • Build quality backlinks from reputable websites to improve search engine rankings

    • Analyze performance metrics such as organic traff...

  • Answered by AI
  • Q2. What are steps for inital audits?
  • Q3. How you manage your SEO growth?
  • Ans. 

    I manage SEO growth by conducting keyword research, optimizing website content, building backlinks, and tracking performance metrics.

    • Conduct thorough keyword research to identify high-traffic keywords relevant to the business

    • Optimize website content by incorporating target keywords naturally and strategically

    • Build quality backlinks from reputable websites to improve domain authority and search engine rankings

    • Track perf...

  • Answered by AI
  • Q4. What kind of software you can handle?
Round 2 - HR 

(4 Questions)

  • Q1. What is the last drawn salary?
  • Q2. Expected time for Join
  • Q3. How much you expect for salary?
  • Q4. Any leaves required urgently?

Interview Preparation Tips

Interview preparation tips for other job seekers - It was nice and I suggest please get ready before interview properly. They ask so many things related to work and things which is mentioned in CV.

Skills evaluated in this interview

Xeno Interview FAQs

How many rounds are there in Xeno interview?
Xeno interview process usually has 1-2 rounds. The most common rounds in the Xeno interview process are Technical, Coding Test and One-on-one Round.
How to prepare for Xeno 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 Xeno. The most common topics and skills that interviewers at Xeno expect are CRM, IT Sales, SQL, IT Product Sales and Java.
What are the top questions asked in Xeno interview?

Some of the top questions asked at the Xeno interview -

  1. Given a data set of hotel you need to find number of booki...read more
  2. SQL Query based upon join leetco...read more
  3. Stair climbing based on...read more

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Overall Interview Experience Rating

4/5

based on 6 interview experiences

Difficulty level

Easy 100%

Duration

Less than 2 weeks 100%
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Xeno Reviews and Ratings

based on 10 reviews

3.6/5

Rating in categories

3.6

Skill development

3.4

Work-life balance

3.2

Salary

2.6

Job security

3.7

Company culture

3.3

Promotions

3.7

Work satisfaction

Explore 10 Reviews and Ratings
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