Vatech Interview Questions and Answers

Basic grammar and aptitude assessment.

Q1. Can you provide an introduction to your work experience?
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Q2. How do you develop a strategy for managing regular defaulters?
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Q3. What factors influence the efficiency of a standard operating procedure (SOP)?
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Q4. How do you monitor key performance indicators (KPIs)?
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Q5. What strategies do you employ to manage attrition and shrinkage within your team?
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Q1. What is your education
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Q2. How much experience in warehouse
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Q3. How many members in family
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It was a combination of mcq and coding questions
mcq: aptitude + c++ + sql question, nothing really tough
Coding question: 3 leetcode question, medium level, of stack, binary search and graph traversal

Q1. Question regarding project
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Q2. SQL basic to moderate question
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Q3. C++ coding question on strings recursion callback in c, oops medium level question, finding error in code
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Q4. Puzzles Q1-> cake cutting ( 3 cuts, 8 slices) Q2 ->9 bottles, 8 same weight bottles, 1 heavy, 2 tries using a balance
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Q5. OS question difference bw multi-processing and multi-programming how would u reduce number of page faults. etc
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Q1. Once again project explanation
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Q2. Basic to high level oops question:( C++) i was asked to write some class and in that these questions were asked 1: different types of access modifiers, but the question was asked indirectly. like why did...read more
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Q3. HR questions, since it was a semi technical cum hr round,
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Q1. They were looking for a person with expertise in maven, so initial questions were targeted towards maven and dependencies.
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Q2. Find the equilibrium number was asked for DSA
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Q3. Implement a singleton patter
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Q4. Java based questions
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Q1. What is your name and where are you from?
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Q2. Are you experienced?
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Q1. What are you doing now?
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Q2. Are you comfort in this job?
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Q1. SQL question to return the shortest duration of flight to travel from NY to HND
Ans. 
Use SQL query to find shortest flight duration from NY to HND
• Use SQL query with MIN function to find shortest duration

• Filter flights from NY to HND using WHERE clause

• Calculate duration by subtracting arrival time from departure time
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Q2. Pyspark question to read data from a CSV file
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Q3. There was no question 3
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Q1. Mostly discussions on Projects at my current company, Design choices and spark related concepts used for optimisations.
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Q2. SQL question to test syntax knowledge
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Q3. HRM typical questions like: Why join Grab?
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Q1. Minimum Knight Moves (LC Medium)
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Q2. OS, CN, DB concepts like multithreading, semaphore, tcp vs udp, transaction and ACId properties. Java concepts like stack vs heap(memory), error vs exception. Any 1 Project discussion for 10 mins
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Q1. What is Shear force and beanding moment .
Ans. 
Shear force is the force that acts parallel to the surface of a material, while bending moment is the measure of bending effect on a material.
• Shear force is the force that tends to cause deformation by sliding one part of the material over another in opposite directions.

• Bending moment is the measure of the bending effect on a material due to an external force applied perpendicular to the material.

• Shear force and bendin...read more
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Q2. Whay steel required in tention members
Ans. 
Steel is required in tension members to resist tensile forces and prevent failure.
• Steel has high tensile strength, making it ideal for resisting tension forces.

• Steel is ductile and can deform before failure, providing warning signs of potential failure.

• Steel is commonly used in tension members of structures like bridges, buildings, and cranes.
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Q3. What is deep foundation
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Deep foundation is a type of foundation that transfers building loads to deeper, more stable soil or rock below the surface.
• Deep foundations are used when shallow foundations are not feasible due to weak soil near the surface.

• Common types of deep foundations include piles, drilled shafts, and caissons.

• Deep foundations are typically used for tall buildings, bridges, and structures on soft soil or near water bodies.

• They ...read more
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Q4. Whay cement use in concrete.
Ans. 
Cement is used in concrete to bind the materials together and provide strength and durability.
• Cement acts as a binding agent in concrete, holding the aggregates together.

• It reacts with water to form a paste that hardens over time, creating a strong and durable material.

• Different types of cement, such as Portland cement, are used based on the specific requirements of the project.

• Proper proportioning of cement in concret...read more
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