ItsaCheckmate Customer Service Agent Interview Questions and Answers

There are 2 questions Both are average everyone can do.

Q1. Left view of Binary tree
Ans. 
Left view of Binary tree is the set of nodes visible when the tree is viewed from the left side.
• Traverse the tree level by level from left to right

• Keep track of the first node encountered at each level

• Example: For a tree with root node A and left children B and C, the left view would be [A, B]
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Q1. Tell me something about yourself
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Q2. How well are you able to handle data
Ans. 
I am highly skilled in handling data and have extensive experience in data analysis and management.
• Proficient in data collection, cleaning, and organization

• Strong analytical skills to interpret and draw insights from data

• Experience with various data analysis tools and software

• Ability to create data visualizations and reports

• Knowledge of data privacy and security measures

• Experience in handling large datasets and perform...read more
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Q3. Are you comfortable travelling and meeting clients
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Time management and assigning yourself tasks with utmost priority

Q1. Sql only questions like joins and window functions
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Q2. Asked about joins and python knowledge
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Q3. Calculate rolling average for order amount for merchants
Ans. 
Calculate rolling average for order amount for merchants
• Calculate the average order amount for each merchant over a specific time period

• Update the average as new orders come in, dropping the oldest order amount from the calculation

• Example: Merchant A had orders of $100, $150, $200 in the last 3 days. Rolling average would be ($100 + $150 + $200) / 3 = $150
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SQL, Python, Case Studies, Window Functions