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Fidelity Investments

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Proud winner of ABECA 2024 - AmbitionBox Employee Choice Awards
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10+ Work Strive Interview Questions and Answers

Updated 4 Nov 2024
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Q1. A person accesses and inserts data into Database. What should he do so that his changes are visible to others?

Ans.

The person should commit the changes to the database and refresh the view for others to see.

  • Commit the changes to the database

  • Refresh the view for others to see

  • Ensure proper permissions are set for others to access the data

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Q2. Rearrange Alternately

Given an array arr of size N, containing positive and negative integers, rearrange the array such that every non-negative integer is followed by a negative integer and vice-versa.

Input:

T...read more
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Q3. N-th Fibonacci Number Calculation

Determine the N-th Fibonacci number using matrix exponentiation for a given integer 'N'.

Because the result can be huge, compute the answer modulo 109 + 7.

Example:

Input:
N = ...read more
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Q4. Find Pair With Smallest Difference Problem Statement

Given two unsorted arrays of non-negative integers, arr1 and arr2 with sizes N and M, determine the pair of elements (one from each array) which have the sma...read more

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Q5. Describe how to conduct DFC analysis

Ans.

DFC analysis involves identifying and evaluating the direct and indirect costs associated with a project or decision.

  • Identify all direct costs, which are expenses that can be directly attributed to the project or decision.

  • Identify all indirect costs, which are expenses that are not directly tied to the project but still impact its overall cost.

  • Calculate the total cost by adding up all direct and indirect costs.

  • Analyze the cost structure to understand where the majority of cos...read more

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Q6. What is your investment philosophy?

Ans.

My investment philosophy is to focus on long-term growth and value investing.

  • I believe in conducting thorough research before making any investment decisions.

  • I prioritize companies with strong fundamentals and a competitive advantage in their industry.

  • I aim to build a diversified portfolio to mitigate risk and maximize returns.

  • I follow a disciplined approach and avoid emotional decision-making.

  • I believe in staying informed about market trends and economic indicators.

  • Example: ...read more

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Q7. What is Machine Learning

Ans.

Machine Learning is a branch of artificial intelligence that involves developing algorithms and models that allow computers to learn from and make predictions or decisions based on data.

  • Machine Learning involves training algorithms to learn patterns from data and make predictions or decisions without being explicitly programmed.

  • It is used in various applications such as recommendation systems, image recognition, natural language processing, and autonomous vehicles.

  • Examples of...read more

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Q8. Commit command in SQL

Ans.

Commit command is used to permanently save changes made in a transaction in SQL.

  • Commit command is used to end a transaction and make all changes permanent.

  • It is used to save changes made in a transaction to the database.

  • If a transaction is not committed, the changes made will be rolled back.

  • Syntax: COMMIT;

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Q9. What is React Js

Ans.

React Js is a JavaScript library for building user interfaces.

  • React Js is developed and maintained by Facebook.

  • It allows developers to create reusable UI components.

  • React uses a virtual DOM for better performance.

  • React can be used for building single-page applications.

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Q10. Use case of B tree

Ans.

B tree is a self-balancing tree data structure used for indexing and searching large datasets efficiently.

  • B trees are commonly used in databases and file systems for indexing

  • They have a high fanout factor which reduces the height of the tree and improves search performance

  • B trees maintain balance by splitting and merging nodes as needed

  • Example: In a database, B tree can be used to quickly locate a specific record based on its key

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Q11. Algo of quick sort

Ans.

Quick sort is a divide-and-conquer algorithm that sorts an array by selecting a 'pivot' element and partitioning the array around the pivot.

  • Select a pivot element from the array

  • Partition the array into two sub-arrays: elements less than the pivot and elements greater than the pivot

  • Recursively apply quick sort to the sub-arrays

  • Combine the sorted sub-arrays to get the final sorted array

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Q12. Write a star program in any programming language you know? How many for loops required for it?

Ans.

A star program can be written using nested for loops in any programming language.

  • Use two nested for loops to print the rows and columns of the star pattern.

  • The number of rows and columns can be determined by the user input or a constant value.

  • The star pattern can be created using asterisks or any other character.

  • The number of for loops required depends on the complexity of the star pattern.

  • For a simple star pattern, only one for loop may be required.

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More about working at Fidelity Investments

Top Rated Financial Services Company - 2024
HQ - Boston,Massachusetts, United States
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