BlackBuck Business Development Manager and Team Lead Interview Questions and Answers

Q1. Hard Stock sell problem
Ans. 
The hard stock sell problem involves determining the best time to sell stocks to maximize profit.
• Consider using dynamic programming to solve this problem efficiently.

• Keep track of the minimum stock price seen so far and calculate the maximum profit that can be made by selling at each day.

• The final answer will be the maximum profit that can be made by selling at the last day.
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Q2. Create a server without express
Ans. 
Creating a server without using Express framework
• Use Node.js built-in 'http' module to create a server

• Listen for incoming requests on a specific port

• Handle different routes and methods using 'http' module
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Q3. What is singleton class, write a usecase through code
Ans. 
Singleton class is a class that can only have one instance created throughout the application.
• Singleton class restricts the instantiation of a class to one object.

• It is often used for logging, caching, thread pools, database connections, etc.

• Example: Java implementation of Singleton class -

• public class Singleton { private static Singleton instance; private Singleton() {} public static Singleton getInstance() { if(insta...read more
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What am i working on and what is my job role?

Q1. How do i work in the market ?
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Q2. Who will i do
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Q3. I will visit the market and discuss with the buyers about all the schemes of the company and bild a buyer
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Q4. I will go to the market first and tell about my product and tell the buyers how much profit they will get and how much money they will make.
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Q5. I will first go to the market and build my own relationship
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Design cab booking system on hacker rank platform

Q1. Who is your hero
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Q2. Where do you study
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Q1. Introduction, past experience, strength and weakness and gap year.
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Q1. Basic dsa question of 2 sum and other questions around HTML and css
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Q1. Egineering manager round asked about my college projects
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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