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NxtWave Student Counsellor Interview Questions and Answers

Updated 19 Jul 2024

NxtWave Student Counsellor Interview Experiences

1 interview found

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

(1 Question)

  • Q1. They dont have any manner to inform a person if an interview is postponed

Interview Preparation Tips

Interview preparation tips for other job seekers - They informed that they will conduct a telephone interview on 19th July between 11:30 am and 1 pm. I cleared all the existing plans, prepared for the interview and was waiting for the call. But they didn't call. They didn't even say whether I'm rejected or if the interview is postponed. I called them, messaged them, but there wasn't any response. I hoped a lot but I didn't even get a chance to attend the interview as they said. They didn't have the manner to inform a person if the interview is postponed or rejected.

Interview questions from similar companies

I applied via Monster and was interviewed before Jun 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 Resume tips
Round 2 - Group Discussion 

We were given topics of political science to discuss

Interview Preparation Tips

Interview preparation tips for other job seekers - Please job seekers don't be afraid at all life is to much to enjoy in these jobs

Interview Questionnaire 

5 Questions

  • Q1. About my work
  • Q2. How will you manage personal and professional life.
  • Ans. 

    I will manage personal and professional life by setting boundaries, prioritizing tasks, and practicing self-care.

    • Setting clear boundaries between personal and professional life

    • Prioritizing tasks and managing time effectively

    • Practicing self-care and maintaining a healthy work-life balance

    • Seeking support from colleagues and family when needed

  • Answered by AI
  • Q3. What is your strength?
  • Ans. 

    My strength is my ability to empathize and connect with students, creating a safe and supportive environment for them.

    • Empathy and understanding

    • Creating a safe and supportive environment

    • Building strong connections with students

    • Active listening and communication skills

  • Answered by AI
  • Q4. What is your fitness goal?
  • Ans. 

    My fitness goal is to improve my overall strength and endurance.

    • Increase my weightlifting capacity

    • Improve my cardiovascular fitness through regular running

    • Incorporate strength training exercises into my routine

    • Maintain a balanced and healthy diet

    • Track my progress and set achievable milestones

  • Answered by AI
  • Q5. Key goals of your life.
  • Ans. 

    My key goals in life are personal growth, helping others, and making a positive impact on society.

    • Continuously learn and develop new skills

    • Support and guide students in their personal and academic journey

    • Promote mental health awareness and provide counseling services

    • Create and implement programs to address social issues

    • Collaborate with teachers, parents, and community members to improve student well-being

    • Advocate for i

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected

I applied via Approached by Company

Round 1 - HR 

(1 Question)

  • Q1. Previous company experience

I applied via LinkedIn and was interviewed in Oct 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. What is the difference between hard work and smart work?
  • Q2. What will you do if you have to guide a child who doesn't like math's?

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't mumble. Be confident.

I was interviewed before Feb 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 90 minutes
Round difficulty - Medium

Questions on aptitude, English, logical reasoning, C/C++ and 5 coding ques. (only pseudo code).

  • Q1. 

    Minimum Jumps Problem Statement

    Bob and his wife are in the famous 'Arcade' mall in the city of Berland. This mall has a unique way of moving between shops using trampolines. Each shop is laid out in a st...

  • Ans. 

    Find the minimum number of trampoline jumps Bob needs to make to reach the final shop, or return -1 if it's impossible.

    • Use Breadth First Search (BFS) algorithm to find the minimum number of jumps required.

    • Keep track of the visited shops to avoid revisiting them.

    • If a shop has an Arr value of 0, it is impossible to reach the final shop.

    • Return -1 if the final shop cannot be reached.

  • Answered by AI
  • Q2. 

    Smallest Window Problem Statement

    Given two strings, S and X, your task is to find the smallest substring in S that contains all the characters present in X.

    Example:

    Input:
    S = "abdd", X = "bd"
    Outpu...
  • Ans. 

    Find the smallest substring in S that contains all characters in X.

    • Use a sliding window approach to find the smallest window in S containing all characters of X.

    • Maintain a hashmap to keep track of characters in X and their frequencies in the current window.

    • Slide the window to the right, updating the hashmap and shrinking the window until all characters in X are present.

    • Return the smallest window found.

    • Example: S = 'abd

  • Answered by AI
  • Q3. 

    Rat in a Maze Problem Statement

    You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...

  • Ans. 

    Find all possible paths for a rat in a maze from start to destination.

    • Use backtracking to explore all possible paths in the maze.

    • Keep track of visited cells to avoid revisiting them.

    • Return paths in alphabetical order as a list of strings.

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Questions based on OOPS were asked in this round.

  • Q1. What is a virtual function?
  • Ans. 

    A virtual function is a function in a base class that is declared using the keyword 'virtual' and can be overridden by a function with the same signature in a derived class.

    • Virtual functions allow for dynamic polymorphism in C++

    • They are used in inheritance to achieve runtime polymorphism

    • Virtual functions are declared in a base class and can be overridden in derived classes

    • They are called based on the type of object bei...

  • Answered by AI
  • Q2. What are the types of polymorphism in Object-Oriented Programming?
  • Ans. 

    Types of polymorphism in OOP include compile-time (method overloading) and runtime (method overriding) polymorphism.

    • Compile-time polymorphism is achieved through method overloading, where multiple methods have the same name but different parameters.

    • Runtime polymorphism is achieved through method overriding, where a subclass provides a specific implementation of a method that is already defined in its superclass.

    • Polymor...

  • Answered by AI
  • Q3. What is the difference between deep copy and shallow copy?
  • Ans. 

    Deep copy creates a new object and recursively copies all nested objects, while shallow copy creates a new object and copies only the references to nested objects.

    • Deep copy creates a new object and copies all nested objects, while shallow copy creates a new object and copies only the references to nested objects.

    • In deep copy, changes made to the original object do not affect the copied object, while in shallow copy, ch...

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMakeMyTrip interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. What do u want us to do fr u??
  • Ans. 

    I want you to provide me with challenging software development projects that will help me grow as a developer.

    • Challenging projects that will push my skills to the limit

    • Opportunities to learn new technologies and programming languages

    • Collaborative work environment with experienced developers

    • Clear communication and feedback on my work

    • Opportunities for career growth and advancement

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: Pay me high!!
Tips: Never say something like that!!

Skill Tips: Develop codes
Skills: Programming
College Name: IIT BOMBAY

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a typical DS/Algo where I was asked to solve two questions related to Binary Trees and write the pseudo code for both of them followed by some theoretical questions related to Operating Systems.

  • Q1. 

    K-th Largest Number in a BST

    Given a binary search tree (BST) consisting of integers and containing 'N' nodes, your task is to find and return the K-th largest element in this BST.

    If there is no K-th la...

  • Ans. 

    Find the K-th largest element in a BST.

    • Perform reverse in-order traversal of the BST to find the K-th largest element.

    • Keep track of the count of visited nodes to determine the K-th largest element.

    • Return -1 if there is no K-th largest element in the BST.

  • Answered by AI
  • Q2. 

    Is Height Balanced Binary Tree Problem Statement

    Determine if the given binary tree is height-balanced. A tree is considered height-balanced when:

    1. The left subtree is balanced.
    2. The right subtree is bala...
  • Ans. 

    Determine if a given binary tree is height-balanced by checking if left and right subtrees are balanced and their height difference is at most 1.

    • Check if the left subtree is balanced

    • Check if the right subtree is balanced

    • Calculate the height difference between the left and right subtrees

    • Return 'True' if all conditions are met, otherwise return 'False'

  • Answered by AI
  • Q3. Can you explain the concepts of Zombie Process and Orphan Process in operating systems?
  • Ans. 

    Zombie process is a terminated process that has completed execution but still has an entry in the process table. Orphan process is a process whose parent process has terminated.

    • Zombie process is created when a child process completes execution but its parent process has not yet read its exit status.

    • Zombie processes consume system resources and should be cleaned up by the parent process using wait() system call.

    • Orphan p...

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was also a Data Structures and Algorithm round where I was asked to solve 3 medium to hard level problems along with their pseudo code within 60 minutes .

  • Q1. 

    Longest Substring Without Repeating Characters Problem Statement

    Given a string S of length L, determine the length of the longest substring that contains no repeating characters.

    Example:

    Input:
    "abac...
  • Ans. 

    Find the length of the longest substring without repeating characters in a given string.

    • Use a sliding window approach to keep track of the longest substring without repeating characters.

    • Use a hashmap to store the index of each character in the string.

    • Update the start index of the window when a repeating character is found.

    • Calculate the maximum length of the window as you iterate through the string.

    • Return the maximum le

  • Answered by AI
  • Q2. 

    Problem: Search In Rotated Sorted Array

    Given a sorted array that has been rotated clockwise by an unknown amount, you need to answer Q queries. Each query is represented by an integer Q[i], and you must ...

  • Ans. 

    Search for integers in a rotated sorted array efficiently.

    • Use binary search to efficiently search for integers in the rotated sorted array.

    • Handle the rotation of the array while performing binary search.

    • Return the index of the integer if found, else return -1.

  • Answered by AI
  • Q3. 

    Count Subarrays with Sum Divisible by K

    Given an array ARR and an integer K, your task is to count all subarrays whose sum is divisible by the given integer K.

    Input:

    The first line of input contains an...
  • Ans. 

    Count subarrays with sum divisible by K in an array.

    • Iterate through the array and keep track of the prefix sum modulo K.

    • Use a hashmap to store the frequency of each prefix sum modulo K.

    • For each prefix sum, increment the count by the frequency of (prefix sum - K) modulo K.

    • Handle the case when prefix sum itself is divisible by K.

    • Return the total count of subarrays with sum divisible by K.

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

In this round , I was asked to code a simple question related to BST . After that I was asked the internal implementation of a Hash Map where I was supposed to design a Hash Map using any of the Hashing Algorithms that I know . This was preety challenging for me but I got to learn so much from it.

  • Q1. 

    Ceil Value from BST Problem Statement

    Given a Binary Search Tree (BST) and an integer, write a function to return the ceil value of a particular key in the BST.

    The ceil of an integer is defined as the s...

  • Ans. 

    Ceil value of a key in a Binary Search Tree (BST) is found by returning the smallest integer greater than or equal to the given number.

    • Traverse the BST to find the closest value greater than or equal to the key.

    • Compare the key with the current node value and update the ceil value accordingly.

    • Recursively move to the left or right subtree based on the comparison.

    • Return the ceil value once the traversal is complete.

  • Answered by AI
  • Q2. 

    Design a Constant Time Data Structure

    Create a data structure that maintains mappings between keys and values, supporting the following operations in constant time:

    1. INSERT(key, value): Add or update t...
  • Ans. 

    Design a constant time data structure to maintain mappings between keys and values with various operations.

    • Use a hash table to achieve constant time complexity for INSERT, DELETE, SEARCH, and GET operations.

    • Keep track of the number of key-value pairs for GET_SIZE operation.

    • Check if the hash table is empty for IS_EMPTY operation.

    • Return true or false for SEARCH operation based on key existence.

    • Return the value associated...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAFlipkart interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 90 Minutes
Round difficulty - Hard

I found the online coding round of Flipkart to be quite difficult based on the constraints of the problem and their time limits. I coded the first problem quite easily but on the second and the third problem , my code could only pass a few test cases and gave TLE for most of them. Both the questions required very efficient solution and the last 5 to 10 Test Cases carried more weight than the rest so I didn't get through this round.

  • Q1. 

    Print the Kth Digit

    Given three non-negative integers N, M, and K, compute the Kth digit from the right in the number obtained from N raised to the power M (i.e., N ^ M).

    Input:

    The first line contains ...
  • Ans. 

    The task is to find the Kth digit from the right in the number obtained from N raised to the power M.

    • Iterate through the digits of N^M from right to left

    • Keep track of the position of the current digit

    • Return the digit at position K from the right

  • Answered by AI
  • Q2. 

    The Skyline Problem

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...

  • Ans. 

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.

    • Iterate through the buildings and create a list of critical points (x, y) where the height changes.

    • Sort the critical points based on x-coordinate and process them to form the skyline.

    • Merge consecutive horizontal segments of equal height into one to ensure no duplicates.

    • Return the fin...

  • Answered by AI
  • Q3. 

    Longest Palindromic Substring Problem Statement

    You are provided with a string STR of length N. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...

  • Ans. 

    Identify the longest palindromic substring in a given string.

    • Iterate through the string and expand around each character to find palindromes

    • Keep track of the longest palindrome found

    • Return the longest palindrome with the smallest start index

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAFlipkart interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview Questionnaire 

9 Questions

  • Q1. A sentence is given which contains lowercase English letters and spaces. It may contain multiple spaces. Get first letter of every word and return the result as a string. The result should not contain any ...
  • Q2. Find Nth largest element in the BST
  • Ans. 

    Find Nth largest element in the BST

    • Traverse the BST in reverse inorder and keep track of count

    • If count equals N, return the current node's value

    • If count exceeds N, stop traversing and return null

    • If count is less than N, continue traversing

  • Answered by AI
  • Q3. Given a BST, find the node which contains the value which is equal to or greater than the input value?
  • Ans. 

    Find node in BST with value equal to or greater than input value.

    • Start at root node

    • If input value is less than current node value, move to left child

    • If input value is greater than or equal to current node value, move to right child

    • Repeat until node with desired value is found or null is reached

  • Answered by AI
  • Q4. Write a program to check if a binary tree is balanced
  • Ans. 

    Program to check if a binary tree is balanced

    • Calculate height of left and right subtrees recursively

    • Check if the difference in height is not more than 1

    • Repeat for all nodes in the tree

    • Time complexity: O(nlogn) or O(n)

    • Space complexity: O(h) where h is the height of the tree

  • Answered by AI
  • Q5. Given s string, Find max size of a sub-string, in which no duplicate chars present?
  • Ans. 

    Find max size of a sub-string with no duplicate characters in a given string.

    • Use a sliding window approach with two pointers.

    • Maintain a hash set to keep track of unique characters.

    • Update the maximum length of the substring as you iterate through the string.

  • Answered by AI
  • Q6. What is a hash table? Explain how they work (hash function and buckets)?
  • Ans. 

    A hash table is a data structure that stores key-value pairs and uses a hash function to map keys to buckets.

    • Hash function takes a key and returns an index to a bucket

    • Collisions occur when multiple keys map to the same bucket

    • Collision resolution techniques include chaining and open addressing

    • Example: Dictionary in Python uses hash tables to store key-value pairs

  • Answered by AI
  • Q7. WAP to find a continuous subset whose sum is divisible by 7. We are given a array of number (-ve and +ve). calculate the complexity of your algorithm?
  • Ans. 

    WAP to find a continuous subset divisible by 7 from an array of numbers. Calculate algorithm complexity.

    • Iterate through the array and calculate the prefix sum modulo 7 at each index.

    • Store the prefix sum modulo 7 in a hash table with the index as the value.

    • If a prefix sum modulo 7 is already in the hash table, the subarray between the two indices has a sum divisible by 7.

    • Time complexity is O(n) and space complexity is O

  • Answered by AI
  • Q8. Given a 2-dimensional array of integers, find the value 1 in the array, and set all those rows, and columns to 1, which contains one of the values as 1
  • Ans. 

    Given a 2D array of integers, set rows and columns to 1 if they contain 1.

    • Iterate through the array to find the index of 1

    • Use two arrays to keep track of rows and columns with 1

    • Iterate through the rows and columns arrays to set values to 1

  • Answered by AI
  • Q9. How to find a number in a rotated sorted array. He was looking for the binary search kind of solution?

Interview Preparation Tips

General Tips: Flipkart Interview Process :-Telephonic Round : 1F2F : 3 Rounds
Skills: Data structure, Algorithm
College Name: NA

Skills evaluated in this interview

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NxtWave Interview FAQs

How many rounds are there in NxtWave Student Counsellor interview?
NxtWave interview process usually has 1 rounds. The most common rounds in the NxtWave interview process are One-on-one Round.
How to prepare for NxtWave Student Counsellor 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 NxtWave. The most common topics and skills that interviewers at NxtWave expect are BW, Cds, Product Demonstration, Case and Interfaces.

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NxtWave Student Counsellor Interview Process

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