Tredence Interview Questions and Answers

Q1. The test was based on statistics related to data science, Questions related to SQL (med Difficulty), Python Code output options, ML algorithms related questions.
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This was a Campus placement opportunity, 1 hr aptitude test including 2 basic coding questions.
Questions were chosen from general aptitude topics.

Q1. Questions were asked on resume and some logical puzzles. No tricky technical questions were asked.
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Q1. Simple HR discussion
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Round duration - 90 Minutes
Round difficulty - Medium

The round was scheduled in afternoon time.
HackerEarth test link was shared beforehand
All the instructions were provided in the welcome page of test link.
It was proctored test

Q1. 
Palindrome String Validation
Determine if a given string 'S' is a palindrome, considering only alphanumeric characters and ignoring spaces and symbols.
Note:
The string 'S' should be evaluated in a case...read more
Ans. 
Validate if a given string is a palindrome after removing special characters, spaces, and converting to lowercase.
• Remove special characters and spaces from the input string

• Convert the string to lowercase

• Check if the modified string is equal to its reverse to determine if it's a palindrome
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Q2. 
Find First Repeated Character in a String
Given a string 'STR' composed of lowercase English letters, identify the character that repeats first in terms of its initial occurrence.
Example:
Input:
STR =...read more
Ans. 
Find the first repeated character in a given string of lowercase English letters.
• Iterate through the string and keep track of characters seen so far

• Return the first character that repeats, if none, return '%'

• Use a hash set or array to store characters seen
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Round duration - 35 minutes
Round difficulty - Medium

It was in afternoon 3pm.
Interview platform was Microsoft teams.
Interview link was shared a day before.
Interviewer was professional.

Q1. 
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
...read more
Ans. 
Given an array and a target sum, find pairs of elements that add up to the target sum.
• Iterate through the array and for each element, check if the complement (target sum - current element) is present in a hash set.

• If the complement is found, add the pair to the result list.

• Sort the pairs based on the first element, and if the first elements are equal, sort based on the second element.
Answered by AI
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Round duration - 25 Minutes
Round difficulty - Medium

It was held around 4pm.
Scheduled on MS teams.
Interview link shared one day before.
The interviewer was pretty chill and made me comfortable.

Q1. How would you handle a situation where a company approaches you during a pandemic and states that demand is high but supply is low?
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Q2. Why do you want to join this company?
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Guesstimate on white maruthi suzuki in vizag

Q1. Questions testing logical and structured thinking
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Q1. Company fitment and understanding of the role
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