Decimal Point Analytics Interview Questions and Answers for Freshers

Q1. Face to face interveiw
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Q2. Tell me about your self
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Q3. Strenghts of ypu
Ans. 
My strengths include strong communication skills, adaptability, and problem-solving abilities.
• Strong communication skills: able to effectively convey ideas and information

• Adaptability: able to quickly adjust to new situations and challenges

• Problem-solving abilities: able to analyze situations and find effective solutions
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Q4. Weakness in you work
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1. Quants section
2. Logical Reasoning
3. Verbal Communication

Q1. Typical HR questions like where do you see yourself self in 5 years
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Q2. Why this organisation
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Q1. Basic Finance questions
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Q2. What is mutual fund?
Ans. 
A mutual fund is a type of investment vehicle that pools money from multiple investors to invest in a diversified portfolio of stocks, bonds, or other securities.
• Mutual funds are managed by professional fund managers who make investment decisions on behalf of the investors.

• Investors buy shares in the mutual fund and the value of their investment is determined by the performance of the underlying securities in the portf...read more
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Q3. Question on Captial Market and equity.
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Basic aptitude questions

One graph and one DP question

Q1. Find the repeating element in the array
Ans. 
Use a hashmap to find the repeating element in the array of strings
• Iterate through the array and store each element in a hashmap with its frequency

• Check for any element with frequency greater than 1, that is the repeating element
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Q2. Define four pillars of OOPS.
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
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Round duration - 90 Minutes
Round difficulty - Medium

Q1. 
Rahul and Minimum Subarray Challenge
Rahul, who is passionate about programming, is learning about arrays and lists. He faces a challenging problem to determine the smallest subarray length in a given arr...read more
Ans. 
The problem is to find the length of the smallest subarray in a given array with its sum greater than a given value.
• Iterate through the array and keep track of the current subarray sum

• If the current sum becomes greater than the given value, update the minimum subarray length

• If the current sum becomes negative, reset the sum and start a new subarray

• Return the minimum subarray length
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Q2. 
Maximum of All Subarrays of Size k
Given an array of 'N' non-negative integers and an integer 'K', your task is to find the maximum elements for each subarray of size 'K'.
Input:
The first line contains...read more
Ans. 
The task is to find the maximum elements for each subarray of size K in a given array.
• Iterate through the array and maintain a deque of indices of the maximum elements in the current window of size K.

• For each new element, remove indices from the deque that are outside the current window.

• Add the index of the new element to the deque, and print the maximum element of the window if the first index in the deque is outside ...read more
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Round duration - 20 Minutes
Round difficulty - Medium

This round was mostly resume-based. The interviewer asked about my projects and asked technical questions related to them. He then asked 1 DS question which was to detect whether the linked list is a circular linked list or not. He also asked me for a puzzle in the end.

Q1. 
Circular Linked List Detection
You are provided with the head of a linked list containing integers. Your task is to determine if the linked list is circular.
Note:
• A linked list is considered circula...read more
Ans. 
The task is to determine whether a given linked list is circular or not.
• A linked list is circular if the next pointer of the last node points to the first node.

• An empty linked list is also considered circular.

• Check if any node has its next pointer equal to NULL.

• All the integers in the linked list are unique.

• The next pointer of a node with i'th integer is linked to the node with data (i+1)'th integer.
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Round duration - 10 Minutes
Round difficulty - Easy