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Tredence Interview Questions, Process, and Tips

Updated 14 Feb 2025

Top Tredence Interview Questions and Answers

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123 interviews found

I was interviewed in Jun 2017.

Interview Questionnaire 

12 Questions

  • Q1. Write the annotation for controller?
  • Ans. 

    An annotation for controller in software engineering.

    • The annotation for controller is used to define the class as a controller in a software application.

    • It is typically used in frameworks like Spring MVC or ASP.NET MVC.

    • The annotation helps in mapping the incoming requests to the appropriate controller methods.

    • It can also be used to specify the URL path for the controller.

    • Example: @Controller in Spring MVC, [ApiControll

  • Answered by AI
  • Q2. Write the annotation for request mapping?
  • Ans. 

    The annotation for request mapping is used to map HTTP requests to specific methods in a controller class.

    • The annotation is @RequestMapping

    • It can be used at the class level to specify a common base URL for all methods in the class

    • It can also be used at the method level to specify the URL path and HTTP method for a specific method

    • Additional attributes can be used to further customize the mapping, such as specifying requ...

  • Answered by AI
  • Q3. What is front controller from context in spring mvc?
  • Ans. 

    Front controller is a design pattern used in Spring MVC to handle incoming requests and route them to appropriate handlers.

    • Front controller acts as a central point of control for handling requests in Spring MVC.

    • It receives all incoming requests and delegates them to appropriate handlers called controllers.

    • Front controller provides a consistent way to handle requests and perform common tasks like authentication, logging...

  • Answered by AI
  • Q4. Write the css box model?
  • Ans. 

    The CSS box model describes the layout and sizing of elements on a web page.

    • The box model consists of content, padding, border, and margin.

    • Content refers to the actual content of the element, such as text or images.

    • Padding is the space between the content and the border.

    • Border is a line that surrounds the padding and content.

    • Margin is the space outside the border, separating the element from other elements.

    • The width an...

  • Answered by AI
  • Q5. Select all div using jquery
  • Ans. 

    Select all div using jQuery

    • Use the jQuery selector $('div') to select all div elements

    • This will return a jQuery object containing all the selected div elements

    • You can then perform operations on the selected div elements using jQuery methods

  • Answered by AI
  • Q6. Change all ul element to blue background color using jquery
  • Ans. 

    Use jQuery to change the background color of all ul elements to blue.

    • Use the jQuery selector to select all ul elements

    • Use the css() method to change the background color to blue

  • Answered by AI
  • Q7. Change first li element to yellow background color using jquery
  • Ans. 

    Use jQuery to change the background color of the first li element to yellow.

    • Use the :first-child selector to select the first li element

    • Use the css() method to change the background color to yellow

  • Answered by AI
  • Q8. Output of this var arr=[1,2,3,4,5] arr.push(6) arr.unshift(1) arr.pop() arr.shift()
  • Ans. 

    The output of the given code is [1, 2, 3, 4, 5, 6].

    • The 'push' method adds an element to the end of the array.

    • The 'unshift' method adds an element to the beginning of the array.

    • The 'pop' method removes the last element from the array.

    • The 'shift' method removes the first element from the array.

  • Answered by AI
  • Q9. What are the uses of final in java
  • Ans. 

    The 'final' keyword in Java is used to declare constants, prevent method overriding, and ensure thread safety.

    • Final variables cannot be reassigned once initialized

    • Final methods cannot be overridden by subclasses

    • Final classes cannot be extended by other classes

    • Final parameters ensure that they cannot be modified within a method

    • Final fields can be used to achieve thread safety

  • Answered by AI
  • Q10. Public static void getsum(int a,int b){System.out.println("a b method");}public static void getsum(int a,int b,int c){System.out.println("a b c method");}public static void getsum(int a,int ...b){System.out.print("a...b method")
  • Ans. 

    The question is about method overloading in Java.

    • Method overloading allows multiple methods with the same name but different parameters.

    • The method to be called is determined at compile-time based on the arguments passed.

    • In the given code, there are three overloaded methods with the same name 'getsum'.

    • The first method takes two integers as arguments.

    • The second method takes three integers as arguments.

    • The third method ta...

  • Answered by AI
  • Q11. Output of this program public static int floating(int x){ return x*floating(x-1); } public static void main(String[] args){ floating(10); }
  • Ans. 

    The program will result in a StackOverflowError due to infinite recursion.

    • The 'floating' method is recursively calling itself without a base case to stop the recursion.

    • Each recursive call multiplies the input parameter by the result of the recursive call with a decremented parameter.

    • This will continue indefinitely until the stack overflows and an error is thrown.

  • Answered by AI
  • Q12. What is the output of this int i=0; int j=10;do{ if(i++ < --j){ } }while(i
  • Ans. 

    The output of the code is 9.

    • The code initializes i as 0 and j as 10.

    • Inside the do-while loop, i is incremented by 1 and j is decremented by 1.

    • The loop continues until i becomes greater than or equal to j.

    • Since i is incremented before the comparison and j is decremented before the comparison, the loop runs 9 times.

    • Therefore, the output is 9.

  • Answered by AI

Interview Preparation Tips

Skills: Javascript, Java Programming, Jquery

Skills evaluated in this interview

Top Tredence Software Engineer Interview Questions and Answers

Q1. Palindrome String Validation Determine if a given string 'S' is a palindrome, considering only alphanumeric characters and ignoring spaces and symbols. Note: The string 'S' should be evaluated in a case-insensitive manner. Example: Input: "... read more
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)

Data Engineer Interview Questions & Answers

user image Vinay Gundam

posted on 16 Dec 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Coding Test 

1 good coding question and 33 mcqs

Round 2 - Technical 

(2 Questions)

  • Q1. Easy questions are asked
  • Q2. Like create a database of the collages composes of students and professors
  • Ans. 

    Create a database to store information about colleges, students, and professors.

    • Create tables for colleges, students, and professors

    • Include columns for relevant information such as name, ID, courses, etc.

    • Establish relationships between the tables using foreign keys

    • Use SQL queries to insert, update, and retrieve data

    • Consider normalization to avoid data redundancy

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. Some hr questions
  • Q2. Project discussions
Round 4 - HR 

(1 Question)

  • Q1. Hr questions about family

Top Tredence Data Engineer Interview Questions and Answers

Q1. How will you execute second notebook from first notebook?
View answer (1)

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)
Tredence Interview Questions and Answers for Freshers
illustration image
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Use lambda function in a python code.
  • Ans. 

    Lambda functions are anonymous functions in Python that can have any number of arguments but only one expression.

    • Lambda functions are defined using the lambda keyword.

    • They are commonly used with functions like map(), filter(), and reduce().

    • Example: double = lambda x: x * 2

  • Answered by AI
  • Q2. Define precision, recall and f1 score.
  • Ans. 

    Precision, recall, and F1 score are metrics used to evaluate the performance of classification models.

    • Precision is the ratio of correctly predicted positive observations to the total predicted positive observations.

    • Recall is the ratio of correctly predicted positive observations to the all observations in actual class.

    • F1 score is the harmonic mean of precision and recall, providing a balance between the two metrics.

    • Pre...

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is the significance of elbow curve in clustering?
  • Ans. 

    Elbow curve helps in determining the optimal number of clusters in a dataset.

    • Elbow curve is a plot of the number of clusters against the within-cluster sum of squares (WCSS).

    • The point where the rate of decrease of WCSS sharply changes is considered as the optimal number of clusters.

    • It helps in finding the balance between having too few or too many clusters.

    • For example, if the elbow point is at 3 clusters, it suggests t

  • Answered by AI
  • Q2. What is the significance of support, confidence and lift in market basket analysis?
  • Ans. 

    Support, confidence, and lift are key metrics in market basket analysis to identify relationships between items in a transaction.

    • Support measures how frequently an itemset appears in the dataset.

    • Confidence measures the likelihood that an item B is purchased when item A is purchased.

    • Lift measures how much more likely item B is purchased when item A is purchased compared to when item B is purchased independently of item ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through your resume and prepare questions based on that

Skills evaluated in this interview

Analytics Manager Interview Questions asked at other Companies

Q1. How do you go about setting up data strategy for a new lending business?
View answer (2)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(3 Questions)

  • Q1. What is data bricks
  • Ans. 

    Data bricks is a unified analytics platform that provides a collaborative environment for data scientists, engineers, and analysts.

    • Data bricks simplifies the process of building data pipelines and training machine learning models.

    • It allows for easy integration with various data sources and tools, such as Apache Spark and Delta Lake.

    • Data bricks provides a scalable and secure platform for processing big data and running ...

  • Answered by AI
  • Q2. How do you optimize your code?
  • Ans. 

    Optimizing code involves identifying bottlenecks, improving algorithms, using efficient data structures, and minimizing resource usage.

    • Identify and eliminate bottlenecks in the code by profiling and analyzing performance.

    • Improve algorithms by using more efficient techniques and data structures.

    • Use appropriate data structures like hash maps, sets, and arrays to optimize memory usage and access times.

    • Minimize resource us...

  • Answered by AI
  • Q3. What is SQL window function?
  • Ans. 

    SQL window function is used to perform calculations across a set of table rows related to the current row.

    • Window functions operate on a set of rows related to the current row

    • They can be used to calculate running totals, moving averages, rank, etc.

    • Examples include ROW_NUMBER(), RANK(), SUM() OVER(), etc.

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Salary expectations?
  • Q2. When can you join

Skills evaluated in this interview

Top Tredence Data Engineer Interview Questions and Answers

Q1. How will you execute second notebook from first notebook?
View answer (1)

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)

Tredence interview questions for popular designations

 Analyst

 (23)

 Data Analyst

 (13)

 Data Scientist

 (10)

 Business Analyst

 (9)

 Consultant

 (9)

 Senior Software Engineer

 (7)

 Data Engineer

 (7)

 Associate Manager

 (6)

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Coding Test 

You will be getting questions on the tech stack you have experience with, in depth questions on Node js and React js, real time challenges faced, two coding questions (1 easy and 1 medium)

Round 2 - Coding Test 

F2f round for about 1.5 hrs, you be given a task to create a functionality using frontend tech stack you have chosen, more coding questions medium level, framework related ij depth questions

Round 3 - Behavioral 

(2 Questions)

  • Q1. Previous experience and questions related to that
  • Q2. More questions on how to approach a problem

Full Stack Developer Interview Questions asked at other Companies

Q1. Query and Matrix Problem Statement You are given a binary matrix with 'M' rows and 'N' columns, initially consisting of all 0s. You will receive 'Q' queries, which can be of four types: Query 1: 1 R indexQuery 2: 1 C indexQuery 3: 2 R index... read more
View answer (1)

Get interview-ready with Top Tredence Interview Questions

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. How to handle missing values
  • Ans. 

    Handle missing values by imputation, deletion, or using algorithms that can handle missing data.

    • Impute missing values using mean, median, mode, or predictive modeling

    • Delete rows or columns with missing values if they are insignificant

    • Use algorithms like XGBoost, Random Forest, or LightGBM that can handle missing data

  • Answered by AI
  • Q2. Linear equations model metrics
Round 2 - One-on-one 

(2 Questions)

  • Q1. Precession vs recall?
  • Ans. 

    Precision measures the accuracy of positive predictions, while recall measures the ability to find all positive instances.

    • Precision is the ratio of correctly predicted positive observations to the total predicted positives.

    • Recall is the ratio of correctly predicted positive observations to all actual positives.

    • Precision is important when the cost of false positives is high, while recall is important when the cost of fa...

  • Answered by AI
  • Q2. Clustering evaluation metrics

Skills evaluated in this interview

Top Tredence Data Scientist Interview Questions and Answers

Q1. Transpose a matrix in python and machine learning questions
View answer (1)

Data Scientist Interview Questions asked at other Companies

Q1. for a data with 1000 samples and 700 dimensions, how would you find a line that best fits the data, to be able to extrapolate? this is not a supervised ML problem, there's no target. and how would you do it, if you want to treat this as a s... read more
View answer (5)

Jobs at Tredence

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Data Analyst Interview Questions & Answers

user image Sathish Kumar

posted on 6 Jan 2025

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

(1 Question)

  • Q1. What is joins and types?
  • Ans. 

    Joins are used to combine rows from two or more tables based on a related column between them.

    • Types of joins include inner join, left join, right join, and full outer join

    • Inner join returns rows when there is at least one match in both tables

    • Left join returns all rows from the left table and the matched rows from the right table

    • Right join returns all rows from the right table and the matched rows from the left table

    • Ful...

  • Answered by AI

Top Tredence Data Analyst Interview Questions and Answers

Q1. Find First Repeated Character in a String Given a string 'STR' composed of lowercase English letters, identify the character that repeats first in terms of its initial occurrence. Example: Input: STR = "abccba" Output: "a" Explanation: Alth... read more
View answer (1)

Data Analyst Interview Questions asked at other Companies

Q1. Suppose there is a room in the office and X people enter room throughout the day, Y people leave throughout the day [continuously people are entering the room, some are staying there, and rest are going out] .. so tell me the code to calcul... read more
View answer (11)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

The first round was mix of apti and coding

Round 2 - Technical 

(2 Questions)

  • Q1. What is deadlocks?
  • Ans. 

    Deadlocks occur when two or more processes are unable to proceed because each is waiting for the other to release a resource.

    • Deadlocks happen in multitasking environments where processes compete for resources.

    • Four conditions must hold for a deadlock to occur: mutual exclusion, hold and wait, no preemption, and circular wait.

    • Example: Process A holds Resource 1 and waits for Resource 2, while Process B holds Resource 2 a...

  • Answered by AI
  • Q2. A puzzles from gfg

Skills evaluated in this interview

Software Development Engineer 1 Interview Questions asked at other Companies

Q1. 4. Design a system for making table reservations at a restaurant.
View answer (1)
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
-
Result
Not Selected

I applied via Referral

Round 1 - Coding Test 

1 hour - SQL, Python, ML, Deep Learning

Top Tredence Data Scientist Interview Questions and Answers

Q1. Transpose a matrix in python and machine learning questions
View answer (1)

Data Scientist Interview Questions asked at other Companies

Q1. for a data with 1000 samples and 700 dimensions, how would you find a line that best fits the data, to be able to extrapolate? this is not a supervised ML problem, there's no target. and how would you do it, if you want to treat this as a s... read more
View answer (5)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in May 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is precision and recall
  • Ans. 

    Precision and recall are metrics used in classification tasks to evaluate the performance of a model.

    • Precision is the ratio of correctly predicted positive observations to the total predicted positive observations.

    • Recall is the ratio of correctly predicted positive observations to the all observations in actual class.

    • Precision is about how many of the actual positive cases were correctly predicted as positive.

    • Recall is...

  • Answered by AI
  • Q2. How you will remove hallucination in LLM
Round 2 - Technical 

(2 Questions)

  • Q1. What is PEFT?and what is QLORA
  • Ans. 

    PEFT stands for Physical Education, Fine Arts, Technology. QLORA is a software platform for managing and analyzing data.

    • PEFT is an acronym for Physical Education, Fine Arts, Technology, representing different areas of study or activities in education.

    • QLORA is a software platform used for managing and analyzing data, often used in research or business settings.

    • PEFT can be implemented in schools to ensure a well-rounded ...

  • Answered by AI
  • Q2. Explain random forest algorithm
  • Ans. 

    Random forest is an ensemble learning method that builds multiple decision trees and merges their predictions to improve accuracy.

    • Random forest creates multiple decision trees during training.

    • Each tree is built using a random subset of features and data points.

    • The final prediction is made by averaging the predictions of all trees (regression) or taking a majority vote (classification).

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. What are the challanges you faced
  • Q2. How do you manage team?

Skills evaluated in this interview

Associate Manager Interview Questions asked at other Companies

Q1. How will you calculate tension on the sheet which is being given OFF, by Pay off reel ?
View answer (5)

Data Analyst Interview Questions & Answers

user image Anonymous

posted on 25 Aug 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Find the customer_id with maximum number of purchases consecutively?
  • Ans. 

    Customer_id with maximum consecutive purchases

    • Identify consecutive purchases for each customer

    • Track the maximum consecutive purchases and corresponding customer_id

    • Consider edge cases like ties or no consecutive purchases

  • Answered by AI
  • Q2. Find the product_id that got returned more than 10 times in a month and more than 3 times in a year?
  • Ans. 

    Identify product_id with more than 10 returns in a month and 3 returns in a year.

    • Filter the dataset by returns in a month and returns in a year

    • Group the data by product_id and count the number of returns

    • Identify product_id with counts exceeding the thresholds

  • Answered by AI

Skills evaluated in this interview

Top Tredence Data Analyst Interview Questions and Answers

Q1. Find First Repeated Character in a String Given a string 'STR' composed of lowercase English letters, identify the character that repeats first in terms of its initial occurrence. Example: Input: STR = "abccba" Output: "a" Explanation: Alth... read more
View answer (1)

Data Analyst Interview Questions asked at other Companies

Q1. Suppose there is a room in the office and X people enter room throughout the day, Y people leave throughout the day [continuously people are entering the room, some are staying there, and rest are going out] .. so tell me the code to calcul... read more
View answer (11)
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Tredence Interview FAQs

How many rounds are there in Tredence interview?
Tredence interview process usually has 2-3 rounds. The most common rounds in the Tredence interview process are Technical, One-on-one Round and HR.
How to prepare for Tredence 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 Tredence. The most common topics and skills that interviewers at Tredence expect are Machine Learning, Python, Data Management, SQL and Data Mining.
What are the top questions asked in Tredence interview?

Some of the top questions asked at the Tredence interview -

  1. Puzzle: Given two hour glass, one measuring 4 mins and the other 7 mins, how to...read more
  2. public static void getsum(int a,int b){System.out.println("a b method");}public...read more
  3. What is the difference between under fitting and over fitting. How to overcome ...read more
How long is the Tredence interview process?

The duration of Tredence interview process can vary, but typically it takes about less than 2 weeks to complete.

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