National Stock Exchange of India Deputy Manager Operations Interview Questions and Answers

A problem on portfolio optimization was given.

Q1. What is p-value and A/B testing
Ans. 
P-value is a statistical measure that helps determine the significance of results in hypothesis testing. A/B testing is a method of comparing two versions of a webpage or app to see which one performs better.
• P-value is the probability of obtaining a result as extreme or more extreme than the observed result, assuming the null hypothesis is true.

• A/B testing involves randomly dividing a sample into two groups and exposin...read more
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Q2. ARMA, ARIMA and stationarity in time series.
Ans. 
ARMA and ARIMA are models used for time series analysis. Stationarity refers to the statistical properties of a time series remaining constant over time.
• ARMA stands for Autoregressive Moving Average model and is used to model stationary time series data.

• ARIMA stands for Autoregressive Integrated Moving Average model and is used to model non-stationary time series data.

• Stationarity is an important concept in time series...read more
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Q1. Java basics what is hashmap muti threading
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Q2. Basic java production issue
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Q1. One on one round with HR and HOD
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Q2. How to check if webpage is opening slowly?
Ans. 
To check if a webpage is opening slowly, you can use tools like Google PageSpeed Insights, Pingdom, or GTmetrix.
• Use tools like Google PageSpeed Insights to analyze the loading speed of the webpage.

• Check the server response time using tools like Pingdom.

• Monitor the page load time and performance metrics with GTmetrix.

• Look for any large files or images that may be slowing down the page.

• Consider optimizing code, compressi...read more
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Q1. Good question related to work profile
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Q1. Broking related
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Q1. Managerial round. Scenario based questions like how to find rca for slowness in web application.
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Q1. Will you work will you complete the targets
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Q1. No HR intervien
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Q2. Would like to work for the salary
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Q1. Take a deep dive in your work experience
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Q2. Do you have any knowledge about stock market?
Ans. 
Yes, I have knowledge about the stock market.
• I have experience in analyzing stock trends and making investment decisions.

• I am familiar with different types of stocks, such as common stocks and preferred stocks.

• I understand concepts like market capitalization, dividends, and stock valuation.

• I have actively traded stocks in the past and have a good understanding of how the stock market works.
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Q1. What is nifty 50
Ans. 
Nifty 50 is an index of the National Stock Exchange of India, comprising 50 actively traded stocks from various sectors.
• Nifty 50 is also known as the Nifty or the Nifty index.

• It represents the performance of the top 50 companies listed on the National Stock Exchange of India.

• The index includes companies from various sectors such as banking, IT, pharma, FMCG, etc.

• Some examples of companies in the Nifty 50 index are HDFC...read more
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Q2. Why do you wanna join Kotak securities
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Q1. What’s your Pervious salary?
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Q2. Why did you leave your last place of work?
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Q1. Tell me about yourself.
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Q2. About your experience
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