Kn 10 Enterprises Senior Data Entry Operator Interview Questions and Answers

Round duration - 120 Minutes
Round difficulty - Medium

Q1. 
Ninja and His Secret Information Encoding Problem
Ninja, a new member of the FBI, has acquired some 'SECRET_INFORMATION' that he needs to share with his team. To ensure security against hackers, Ninja dec...read more
Ans. 
The task is to encode and decode 'SECRET_INFORMATION' for security purposes and determine if the transmission was successful.
• Read the number of test cases 'T'

• For each test case, encode the 'SECRET_INFORMATION' and then decode it

• Compare the decoded string with the original 'SECRET_INFORMATION'

• Print 'Transmission successful' if they match, else print 'Transmission failed'
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Round duration - 60 Minutes
Round difficulty - Medium

Q1. 
Equilibrium Index Problem Statement
Given an array Arr consisting of N integers, your task is to find the equilibrium index of the array.
An index is considered as an equilibrium index if the sum of elem...read more
Ans. 
Find the equilibrium index of an array where sum of elements on left equals sum on right.
• Iterate through the array and calculate prefix sum and suffix sum at each index.

• Compare prefix sum and suffix sum to find equilibrium index.

• Return the left-most equilibrium index or -1 if none found.
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Round duration - 50 Minutes
Round difficulty - Easy

Q1. Basic questions on testing.
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Q2. Write sample code on some basic queries supplied during interview.
Ans. 
Sample code for basic queries
• Use SELECT statement to retrieve data from a table

• Use WHERE clause to filter data based on conditions

• Use ORDER BY clause to sort data in ascending or descending order

• Use GROUP BY clause to group data based on a column

• Use JOIN clause to combine data from multiple tables
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Q1. Introduction confirmation about the interview schedule.
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Q1. Go through your resume
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Q2. Testing core knowledge on applied domine.
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Q1. About the salary negotiation.
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Q1. Test on Exposure in previous company
Ans. What ever performed in past organisation only those I wrote and briefed what I did in my ex company
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Q2. Excel skills and the use of excel in past company
Ans. Shortcuts must for every formulae and pivot table is vital
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Q3. Core basic accounting concepts tested
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Q1. Package in ex company
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Q2. Expectations for this role
Ans. Minimum of 45% maximum of 60% they offered 45% as their maximum
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Q3. Join bonus expectation
Ans. They offered 30k I requested to add the same to my package so that it can considered for hike
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