Ranchi Design & Consultancy Services Junior CAD Engineer Interview Questions and Answers

Contained only mcq questions related to maths and reasoning

Q1. How to detect two loops in a linkedlist
Ans. 
Use Floyd's Cycle Detection Algorithm to detect two loops in a linked list.
• Initialize two pointers, slow and fast, both starting at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps in each iteration.

• If they meet at some point, there is a loop. Reset one pointer to head and move both by one step until they meet again to find the start of the loop.
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Q2. Mainly all the basics questions on DSA and C++ Language and all the ds like stacks, linkedlist, tree, array, queue,map difference between queue and stack
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Q1. Questions on project
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Q2. Code simple que like reverse the string in every possible language that is mentioned on yor resume ,like node js react or python and even c language
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Q3. Basics questions of os like deadlocks
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Q1. I was note selected for this round
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Basic aptitude test and some psychological games.

2 programs to solve.

Q1. Family background
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Q2. About education
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Logical reasoning and verbal test

Reasoning and arithmetic questions and sudoo codes and english grammar

C, C++, JAVA, PYTHON programs

Q1. What is inheritance, polymer, oop, pop, overloading, different types of oops concept
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows for code reusability and promotes a hierarchical relationship between classes.

• Example: Class B inherits from Class A, gaining access to its attributes and methods.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Example: A method th...read more
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Q2. Any coding questions
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Q1. Discussing package and one or two topics
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Q1. Case about peofitability and data analysis
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Q1. Case about technology and behavioural questions
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Leetcode Questions - 1. Easy 2. Medium

1 hr, apptitude and reasoning

C coding with little complexity

Q1. Basic networking questions
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Q2. CCNA concepts , cloud networking
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