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Ques:- Given an array of n elements and a number x, find if there exist 3 elements in the array whose sum is equal to x. Do it in O(nLogn) time complexity
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Ques:- You have given an array having alternative positive and negative number . you have to find out the longest subsequece having maximum sum.in the complexity o(n).
Asked In :- OCR Services,
Ques:- There is a parking lot with n slots.. and n-1 cars with 1 free slot. given an initial arrangement of cars how will u arrive at a desired arrangement E.g say n = 5 .initial..{free, 1, 3, 4, 2} ..required ..{1, free, 2, 4, 3}.. the numbe…
Ques:- Suggest a data structure and algo to implement T9 dictionaries. Your solution should be optimized for adding a new word.
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Ques:- Given an array such that the array will be sorted if we sort the elements between two indicies i an j. Find i and j for such an array such that abs(i-j) is minimum.
Asked In :- LogBase Technologies,
Ques:- Given a snapshot of an ongoing chess game, which probably is a one vs many game, identify whether it is a valid game or not.
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Ques:- You are given a Linklist, you have to rotate it in order 3.
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Ques:- You have two arrays A and B of strings. In the array B all element are from A except one. ex: A = {“abc”, “bcd”, “dpr”}; B = {“abc”, “mnp”, “bcd”, “dpr”}; You have find out the string which is extra in B in O(n) time. In the abov…
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Ques:- Given an array of integers….. Imagine it as a pyramid as below:
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Ques:- U r given an integer array of size n, filled with numbers 1 to n randomly. Each number occurs exactly once. Two of them are replaced by 0(zero). Find out those numbers in O(n) time.
Asked In :- eBay Classifieds,
Ques:- Function to display the directory structure in a user friendly way taking root dir as arg for a general OS. You may assume and state some basic APIs available in that OS
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Ques:- What data structure would you use to store distances between all the planets in a galaxy. (So there could be like a billion planets)
Asked In :- sysvine technologies,
Ques:- Giving a Grid in 2D array like this where each cell has a cost from 1-9
Asked In :- FANUC,
Ques:- Find all pairs in array such that a+b=x, a != b. you have to specify all space and time complexities…fairly standard problem-
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Ques:- Given two linked list. We have to find that whether the data in one is reverse that of data in other. No extra space is to be used and traverse the lists only once
Asked In :- iASYS, Team Robocon IITR, agora,
Ques:- A special type of tree is given, where all leaf are marked with L and others are marked with N. every node can have 0 or at most 2 nodes. Trees preorder traversal is given give a algorithm to build tree from this traversal.


The Tech Architect section on takluu.com is dedicated to professionals aiming to lead the design and implementation of complex software systems. A Tech Architect plays a pivotal role in bridging business needs with technology solutions, ensuring that applications are scalable, maintainable, and aligned with organizational goals.

This category covers critical areas including system design principles, software architecture patterns (like microservices, SOA, MVC), cloud architecture, security best practices, API design, and performance optimization. You will also explore architecture documentation, stakeholder communication, and technology evaluation techniques.

Our content provides deep insights into both theoretical concepts and practical challenges faced by tech architects in real projects. Interview questions focus on problem-solving skills, architectural trade-offs, decision-making under constraints, and aligning technology stacks with business requirements.

Whether you’re preparing for roles like Technical Architect, Solution Architect, Enterprise Architect, or Lead Developer, this section equips you with the knowledge to explain complex designs clearly, defend your architectural choices, and demonstrate leadership in technology planning.

At Takluu, we combine detailed explanations with scenario-based questions and case studies to ensure you are ready for both technical and behavioral rounds in tech architect interviews. Our goal is to empower you to design robust solutions and take ownership of technology roadmaps confidently.

Prepare with us and take the next step in your career to become a successful Tech Architect who drives innovation and delivers impactful technology strategies.

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