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Analysis based ppt making case study
I applied via Naukri.com and was interviewed in Aug 2023. There was 1 interview round.
I appeared for an interview in Dec 2016.
I appeared for an interview in Dec 2016.
The Convex Hull is the smallest convex polygon that encloses all given points.
Sort the points based on their x-coordinate.
Find the upper hull by starting from the leftmost point and moving clockwise.
Find the lower hull by starting from the rightmost point and moving counterclockwise.
Combine the upper and lower hulls to form the convex hull.
The strategy is to always subtract the number chosen by the friend from 4 to ensure reaching 16 first.
Start with 20 and subtract the number chosen by the friend from 4.
Continue this strategy until reaching 16 before the friend reaches 17-19.
Ensure the friend ends up at any number between 17 to 19 before reaching 16.
The problem involves finding an element in a matrix that is sorted both row-wise and column-wise.
Start from the top-right corner of the matrix
Compare the target element with the current element
If the target is smaller, move left; if larger, move down
Repeat until the target is found or the matrix boundaries are crossed
I appeared for an interview in Dec 2016.
I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.
Expected number of tosses of a fair coin to get 3 consecutive heads.
The probability of getting 3 consecutive heads is 1/8
The expected number of tosses to get 3 consecutive heads is 14
This can be calculated using the formula E(X) = 2^k + 2^(k-1) + 2^(k-2) + ... + 2^2 + 2^1 + 2^0, where k is the number of consecutive heads required
Go second. The probability of winning is higher when going second.
The probability of winning when going first is (1/n+1), while the probability of winning when going second is (n/n+1)
This is because the first player has a chance of drawing the black ball on their turn, while the second player has a chance of drawing the black ball on their turn or the first player's turn
For example, if there are 10 red balls and 1 blac...
What is the most likely value of the last roll in a game where a die is rolled until the sum of all rolls is at least 100?
The last roll must be at least 4 to reach a sum of 100
The probability of rolling a 4, 5, or 6 is 1/2
The most likely value of the last roll is 4 or 5
Algorithm to search for a number in an n x n matrix with sorted rows and columns.
Start from the top-right corner of the matrix
If the current element is greater than the target, move left
If the current element is less than the target, move down
Repeat until the target is found or the bottom-left corner is reached
Algorithm to find largest common subarray of two arrays of size n
Create a 2D array to store the lengths of common subarrays
Traverse both arrays and fill the 2D array with lengths of common subarrays
Find the maximum length and its corresponding ending index in the 2D array
Use the ending index to retrieve the largest common subarray from either of the arrays
I am excited to join Goldman Sachs because of its reputation for excellence and the opportunities it offers for professional growth.
Goldman Sachs is a leader in the financial industry and has a strong reputation for excellence.
I am impressed by the firm's commitment to innovation and its focus on delivering value to clients.
I believe that working at Goldman Sachs will provide me with the opportunity to learn from some ...
I have experience in marketing and sales, with a focus on digital marketing and lead generation.
Started career as a marketing intern at XYZ company
Managed social media accounts and email campaigns for ABC company
Implemented SEO strategies and increased website traffic by 30%
Led a team of 5 sales representatives and exceeded quarterly sales goals by 20%
Currently working as a digital marketing specialist at DEF company
Probability of a randomly dropped rod of length L intersecting a line on a 2D plane with infinite parallel, vertical lines.
The probability depends on the length of the rod L.
The probability can be calculated using geometric probability.
The probability is 1 - (2L - 1) / infinity.
For example, if L = 1, the probability is 0.5.
If L = 2, the probability is 0.75.
Find max path from bottom left to top right in a matrix using only up and right steps.
Start from bottom left corner and move towards top right corner.
At each step, choose the maximum value between the cell above and the cell to the right.
Keep track of the sum of values in the chosen path.
The final sum is the maximum possible sum of values in a path from bottom left to top right.
The most likely number to occur as the final sum is 100.
The sum of the outcomes of the dice rolls will keep increasing until it reaches or exceeds 100.
Since the dice have equal probabilities for each outcome, the sum will have a higher chance of reaching 100.
The probability of rolling a sum greater than 100 decreases as the sum gets larger.
Finding probability of point (1,0) lying in longest cut of three random points on circle of radius 1 centered at (0,0)
The longest cut will be the one that spans the smallest angle between two of the three points
The probability can be found by calculating the area of the region where the longest cut includes point (1,0)
This can be done by finding the angle between (1,0) and the two other points and using trigonometry to...
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