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Changepond Technologies Interview Questions and Answers
Q1. Why did you choose expertlancing?
I chose expertlancing because of its reputation for providing high-quality patent research services.
Expertlancing has a team of experienced patent researchers
Expertlancing has a proven track record of delivering accurate and timely results
Expertlancing offers competitive pricing for their services
Q2. Group Anagrams Problem Statement
Given an array or list of strings called inputStr, your task is to return the strings grouped as anagrams. Each group should contain strings that are anagrams of one another.
An...read more
Q3. Valid Parentheses Problem Statement
Given a string 'STR' consisting solely of the characters “{”, “}”, “(”, “)”, “[” and “]”, determine if the parentheses are balanced.
Input:
The first line contains an integer...read moreQ5. Law of thermodynamics
The laws of thermodynamics describe how energy behaves in a system.
First law: Energy cannot be created or destroyed, only transferred or converted.
Second law: Entropy in a closed system will always increase over time.
Third law: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.
Examples: A car engine converting fuel into motion (1st law), a cup of hot coffee cooling down (2nd law), cooling helium to near absolute zero (3rd law).
Q6. Effervescent tablets and their use
Q7. DNA replication process
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