Blinkit Intern Interview Questions and Answers for Freshers

Q1. Trapping Rain Water
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Q2. Merge Intervals
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Q3. Design a Customer Support Chat Application System
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A customer support chat application system for efficient communication and problem-solving.
• Implement live chat functionality for real-time communication

• Include automated responses for common queries

• Integrate ticketing system for tracking and resolving issues

• Provide chat history for reference and continuity

• Ensure data security and privacy measures are in place
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Q1. Basics of what was mentioned in my resume
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Q1. From my graduation subjects
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Easy to medium level of leet code

Q1. 1. Fibonacci series with recursion and without recursion 2. String Palindrome 3. Count all repeated numbers from the array
Ans. 
Answering questions related to Fibonacci series, string palindrome, and counting repeated numbers in an array.
• For Fibonacci series with recursion, write a function that calls itself to calculate the next number in the series.

• For Fibonacci series without recursion, use a loop to calculate the series.

• For string palindrome, compare characters from start and end of the string.

• To count all repeated numbers from the array, u
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Q1. 1.Given an array(0-based indexing), you have to find the max sum of i*A[i] where A[i] is the element at index i in the array. The only operation allowed is to rotate(clock-wise or counter clock-wise) the ...read more
Ans. 
Rotate array to find max sum of i*A[i]
• Rotate array to bring maximum element to front

• Calculate sum of i*A[i] for each rotation

• Keep track of maximum sum found
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Q1. 1.Oops concepts 2.Oops code 2.About Java Spring 3. Array stack questions 4.Project discussion
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Q1. Basic questions
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Webscaping Assignment was given followed by some technical questions

Q1. Assignment discussion
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3 question of basic and 3 mcq

Strings,Sort 0 1 2,invert binary tree

Q1. Project Basics and Technical skills
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Q2. Your Daily routine
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My daily routine involves coding, debugging, attending meetings, and learning new technologies.
• Start the day by checking emails and prioritizing tasks

• Code and debug new features or fix existing issues

• Attend team meetings to discuss progress and roadblocks

• Spend time learning new technologies or improving coding skills

• Collaborate with team members on projects
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Q1. How do you evaluate logistic regression model?
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Logistic regression model evaluation involves assessing its performance using metrics like accuracy, precision, recall, and F1 score.
• Evaluate model performance using metrics like accuracy, precision, recall, and F1 score.

• Use confusion matrix to calculate true positives, true negatives, false positives, and false negatives.

• Calculate accuracy as (TP + TN) / (TP + TN + FP + FN).

• Calculate precision as TP / (TP + FP).

• Calcul...read more
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Using SQL to write a window function (Ranking).