HSBC Group
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I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.
A user story is a concise description of a software feature from an end-user perspective.
Describes the feature to be implemented
Written from the user's point of view
Includes the reason for the feature and the benefit it provides
Follows a specific format: As a
I create wireframes by gathering requirements, sketching initial ideas, using wireframing tools, and iterating based on feedback.
Gather requirements from stakeholders to understand project goals
Sketch initial wireframe ideas on paper or using digital tools like Sketch or Adobe XD
Create wireframes using wireframing tools to visualize layout, content, and functionality
Iterate on wireframes based on feedback from stakehol
A user story is a concise description of a software feature from an end-user perspective.
Describes the feature to be implemented
Written from the user's point of view
Includes the reason for the feature and the benefit it provides
Typically follows the format: As a [type of user], I want [some goal] so that [some reason]
A use case diagram is a visual representation of the interactions between users and a system.
It shows the different ways users can interact with a system
It helps to identify the actors involved in the system
It outlines the various use cases or scenarios of how the system will be used
It is often used in software development to understand and communicate system requirements
I applied via Naukri.com and was interviewed before Apr 2020. There was 1 interview round.
posted on 22 Jun 2021
I applied via Recruitment Consultant
posted on 30 Nov 2023
I applied via Approached by Company and was interviewed before Nov 2022. There were 3 interview rounds.
posted on 14 Mar 2024
I applied via Referral and was interviewed in Feb 2024. There was 1 interview round.
Inner join combines only matching rows from two tables, while outer join includes all rows from one table and only matching rows from the other.
Inner join only includes rows that have matching values in both tables
Outer join includes all rows from one table and only matching rows from the other
Example: Inner join would return only customers who have made a purchase, while outer join would return all customers with thei
posted on 16 Sep 2020
I applied via LinkedIn and was interviewed in Mar 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Morgan Stanley is a top-tier investment bank with a strong reputation for innovation and excellence.
Morgan Stanley has a long history of success in the financial industry
The company is known for its innovative approach to investment banking
Morgan Stanley has a strong reputation for excellence in research and analysis
The firm offers a wide range of services to clients, including wealth management and investment banking
M...
Tower and Morgan Stanley are both financial services companies.
Tower is a global investment management firm with over $1 trillion in assets under management.
Morgan Stanley is a multinational investment bank and financial services company.
Both companies offer a range of financial services including wealth management, investment banking, and asset management.
Tower is known for its focus on sustainable investing, while Mo...
The job profile offered is for an analyst position. A PhD is not required for this role.
The job involves analyzing data and providing insights to clients
A PhD is not necessary as the role focuses more on practical application of analytical skills
The job may require a bachelor's or master's degree in a related field
Examples of job responsibilities may include data collection, statistical analysis, and report writing
Innovations to minimize cost of pen
Use recycled materials for pen body and ink
Simplify design to reduce production costs
Implement refillable ink cartridges to reduce waste and cost
Partner with companies for bulk purchasing of materials
Automate production process to reduce labor costs
Prove N>=N^.5+N^(1/3)+N^(1/4) for N>=a
Use AM-GM inequality
Substitute N with a and prove the inequality holds
Use calculus to find the minimum value of the expression
Finding the probability distribution for the minimum of two random variables with given distributions.
Use the formula P(min(x,y)>z) = P(x>z)P(y>z)
Integrate over the range of z to get the distribution of min(x,y)
Final distribution is 2ke^(-kx)ue^(-ux)exp(-uz)
Given prob. p of dying out and prob. (1-p) of spawning into 2, find prob. of dying out starting from 1 organism.
Use probability tree to visualize outcomes
Probability of dying out starting from 1 is p + (1-p) * (probability of dying out starting from 2)^2
Solve recursively to get final answer
Probability of a rectangle being inside a unit circle with p chosen uniformly on the circle and q inside the circle.
The probability can be found by calculating the ratio of the area of the rectangle to the area of the circle.
The area of the circle is pi and the area of the rectangle can be found using the distance between p and q.
The probability is 1/4.
Example: If the distance between p and q is 0.5, then the area of t...
Find local minima of an array in o(log n) in functional programming.
Use binary search to find the local minima.
Check if the mid element is a local minima, if not, move towards the lower side.
If the mid element is greater than its left element, move towards the left side, else move towards the right side.
Repeat until a local minima is found.
Example: [5, 3, 2, 4, 6, 8, 9] -> local minima is 2.
Code to sort a list without pipes
Use a sorting algorithm like bubble sort, insertion sort, or selection sort
Implement the algorithm in the programming language of your choice
Test the code with different input sizes and types
To find an even length palindrome in a string in O(n), we can use the two-pointer approach.
Initialize two pointers at the center of the string.
Expand the pointers outwards while checking if the characters at both pointers are equal.
If they are not equal, return the previous substring as the even length palindrome.
If the pointers reach the end of the string, return the entire string as the even length palindrome.
Possible values of determinant of matrix A given Avi=Vj for n linear vectors
The possible values of |A| are non-zero as the given vectors are linearly independent
The value of |A| can be calculated using the formula |A| = (-1)^n * det(A)
If the given vectors are orthogonal, then |A| is the product of the magnitudes of the vectors
A and B play a game with unfair coin. A wins if # of heads > #tails +1 at any point. Find prob. of A winning.
The game is played with an unfair coin with P[Heads]=p
A wins if # of heads > #tails +1 at any point
Find the probability of A winning
Find two elements in a sorted array that add up to a given sum in linear time.
Use two pointers, one at the beginning and one at the end of the array.
If the sum of the two pointers is greater than the target, move the right pointer to the left.
If the sum of the two pointers is less than the target, move the left pointer to the right.
Repeat until the sum is found or the pointers meet.
Example: Given [1, 2, 3, 4, 5] and ta
The probability of element at 20th position landing up at 31st position after the first iteration.
The probability depends on the size of the dataset and the algorithm used for iteration.
If the algorithm involves swapping adjacent elements, the probability is higher.
If the dataset is sorted in a way that the element at 20th position is adjacent to the element at 31st position, the probability is 1.
The probability can be...
Expected number of collisions between randomly moving ants on a rod after 30 seconds.
Calculate the probability of two ants colliding at any given time.
Use the formula for expected value to find the expected number of collisions.
Assume that the ants are point masses and collisions are perfectly elastic.
Consider the possibility of multiple ants colliding at the same time.
Simulation can also be used to estimate the expect
Counting permutations where numbers between u and i+1 are less than i for all i in the permutation.
The first number in the permutation must be 1.
For each i in the permutation, all numbers between u and i+1 must be less than i.
Use dynamic programming to count the number of valid permutations.
The answer is (n-1)th Catalan number.
Example: for n=4, the answer is 5.
Finding f(n) for a normal standard distribution with a given constant k.
Calculate the product of probability density function and cumulative distribution function.
Integrate the product of f(x) and F(kx) from -inf to +inf.
The value of k is a constant greater than 0.
Number of inversions in an array in O(nlogn) time.
Use merge sort algorithm to count inversions
Divide the array into two halves and recursively count inversions
Merge the two halves and count split inversions
Time complexity is O(nlogn)
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