Paytm SDE Interview Questions and Answers

Very easy online coding round

Q1. E mail classifier using ML
Ans. 
Email classifier using ML
• Use supervised learning algorithms like Naive Bayes or Support Vector Machines

• Preprocess email data by tokenizing, removing stop words, and stemming

• Split data into training and testing sets for model evaluation

• Evaluate model performance using metrics like accuracy, precision, recall, and F1 score
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Q2. What do you think about chatgot
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Q1. Different scopes of a bean
Ans. 
The different scopes of a bean in software development.
• Singleton: A single instance of the bean is created and shared across the application.

• Prototype: A new instance of the bean is created every time it is requested.

• Request: A new instance of the bean is created for each HTTP request.

• Session: A new instance of the bean is created for each user session.

• Global session: A new instance of the bean is created for each glob
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Q1. Palindrome check standard leetcode question pretty easy
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Q2. Why Visa inc etc etc standard hr question
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Q1. Personal Details
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Q2. Qualification
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WRITE FRD AND BRD for a given topic

Q1. Details about any one product on which I had worked in my past organisation.
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Q1. Explain a typical Payment flow.
Ans. 
Payment flow involves initiation, authorization, processing, and settlement of a financial transaction.
• Initiation: Customer places an order and selects payment method.

• Authorization: Payment gateway verifies funds availability and approves the transaction.

• Processing: Payment details are sent to the acquiring bank for processing.

• Settlement: Funds are transferred from customer's account to merchant's account.

• Confirmation:...read more
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Q1. About yourself and your achievements
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Q1. About accounting knowledge
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