LendingKart Interview Questions, Process, and Tips

2coding questions and MCQs

Q1. DBMS related questions
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Q2. Medium coding question
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Q1. Scenario based question
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Q2. Questions related to my projects
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2 coding problem and 10 mcq

Q1. Cycle detection in linkedlist
Ans. 
Cycle detection in linked list involves using two pointers, one moving at twice the speed of the other.
• Use two pointers, one moving at twice the speed of the other

• If there is a cycle, the two pointers will eventually meet

• Use Floyd's Tortoise and Hare algorithm for efficient cycle detection
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Q2. Discussion on project
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2 Ds questions. About Linked list ans arrays and some aptitude questions.

Q1. Implement Merge Sort algo
Ans. 
Merge Sort is a divide and conquer algorithm that divides the input array into two halves, sorts them recursively, and then merges the sorted halves.
• Divide the array into two halves

• Recursively sort each half

• Merge the sorted halves back together
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Q2. Two sum problem in optimised form
Ans. 
The Two Sum problem involves finding two numbers in an array that add up to a specific target.
• Use a hashmap to store the difference between the target and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the two numbers that add up to the target.
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Q1. Discussion about the projects in resume
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Q2. NoSql Vs Sql , advantages and disadvantages
Ans. 
NoSQL databases are non-relational, flexible, and scalable, while SQL databases are relational, structured, and consistent.
• NoSQL databases are schema-less, allowing for flexibility in data models.

• SQL databases use structured query language for data manipulation and retrieval.

• NoSQL databases are horizontally scalable, making them suitable for big data applications.

• SQL databases are vertically scalable, which can be more...read more
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Q1. Explain the debugging principles of your current project
Ans. 
Utilize systematic approach to identify, isolate, and resolve issues in the project
• Start by reproducing the issue to understand the root cause

• Use debugging tools like breakpoints, logging, and monitoring to track the issue

• Isolate the problem area by narrowing down the scope of investigation

• Test potential solutions and verify the fix before implementation
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Q1. Design a food delivery app
Ans. 
A food delivery app that connects users with local restaurants for convenient ordering and delivery.
• User-friendly interface for browsing restaurants and menus

• Secure payment options for online transactions

• Real-time order tracking and delivery updates

• Rating and review system for restaurants and delivery drivers
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Q1. Why you want change reason to join company
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