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Zomato ml engineer Interview Questions and Answers
Zomato ml engineer Interview Experiences
1 interview found
I applied via Approached by Company and was interviewed in Oct 2023. There was 1 interview round.
(2 Questions)
- Q1. How to handle missing values in case of Kmeans cluster
- Ans.
Handle missing values in Kmeans cluster by imputing with mean, median, or mode.
Impute missing values with mean, median, or mode of the feature
Consider using algorithms like KNN imputation or MICE for more complex cases
Drop rows or columns with missing values if they are insignificant in number
Normalize data before imputing missing values to avoid bias
- Q2. How to handle imabalance in case of Naive Bayes
- Ans.
Handling imbalance in Naive Bayes involves using techniques like oversampling, undersampling, or using different evaluation metrics.
Use oversampling techniques like SMOTE to create synthetic samples of the minority class.
Use undersampling techniques to randomly remove samples from the majority class.
Adjust class weights in the Naive Bayes algorithm to give more importance to the minority class.
Use different evaluation ...
Skills evaluated in this interview
Interview questions from similar companies
I applied via campus placement at International Institute of Information Technology (IIIT), Allahabad and was interviewed before Oct 2023. There was 1 interview round.
Two questions asked which have difficulty level is high
Interview Preparation Tips
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
(1 Question)
- Q1. Print the nodes of a n-ary tree in an arc wise manner as seen from the outside.
- Ans.
Print nodes of n-ary tree in arc wise manner from outside
Traverse the tree level by level from outside to inside
Use a queue to keep track of nodes at each level
Print the nodes at each level in a clockwise or anticlockwise manner
Interview Preparation Tips
- n-ary tree
Skills evaluated in this interview
I applied via Instahyre and was interviewed in Aug 2024. There were 3 interview rounds.
String and DP questions
(1 Question)
- Q1. Design BookMyShow
(1 Question)
- Q1. Past challenging projects
- Ans.
Developed a real-time data processing system for a high-traffic e-commerce platform.
Implemented distributed computing using Apache Kafka and Spark.
Optimized database queries to handle large volumes of data.
Designed fault-tolerant architecture to ensure system reliability.
Collaborated with cross-functional teams to meet project deadlines.
Logical reasoning, Quantitative aptitude
Array,Strings,DSA concepts like searching algorithm
It was a machine coding round
(2 Questions)
- Q1. Similar to the other question
- Q2. Give an array and an element sort the array with difference of that number to array elements
- Ans.
Sort an array of strings by the difference of a given element to each array element.
Iterate through the array and calculate the absolute difference between the given element and each array element.
Sort the array based on the calculated differences.
Return the sorted array.
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Times Internet
Anonymous
posted on 4 Oct 2024
(1 Question)
- Q1. What is react, and why you chose it
- Ans.
React is a JavaScript library for building user interfaces, known for its efficiency and flexibility.
React allows for the creation of reusable UI components, making development faster and more efficient.
It uses a virtual DOM for optimal performance by only updating the necessary components when data changes.
React's component-based architecture promotes code reusability and maintainability.
It has a large and active comm...
(2 Questions)
- Q1. React hooks implemetation
- Q2. Node event loop
Interview Preparation Tips
System Engineer Interview Questions & Answers
Indiamart Intermesh
Pragya Singh
posted on 26 Sep 2024
Write a code to find a loop in linked list
(1 Question)
- Q1. Patch management
(1 Question)
- Q1. Fixing server upgrade
- Ans.
To fix a server upgrade, identify the issue, plan the upgrade process, test the upgrade, and implement it carefully.
Identify the issue causing the upgrade problem
Plan the upgrade process including backup and rollback procedures
Test the upgrade in a controlled environment before implementation
Implement the upgrade carefully to avoid any disruptions
(1 Question)
- Q1. Positive side and negative side
Skills evaluated in this interview
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