National Australia Bank Interview Questions and Answers

3 Coding Questions to solve in 120 minutes

Q1. Frequency of word in a string.
Ans. 
Count the frequency of a word in a given string.
• Split the string into words using a delimiter like space

• Create a map to store word frequencies

• Iterate through the words and update the map accordingly
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Q2. Find string that contains repetiting charachters.
Ans. 
Use a hashmap to track characters and check for duplicates.
• Iterate through each string in the array

• Use a hashmap to store characters and their frequencies

• If a character is already in the hashmap, it is a repeating character
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Basic online English spoken, listening and written test of approximately 60 mins.

Q1. Why did you decide to join NAB?
Ans. 
I decided to join NAB because of its strong reputation in the industry and opportunities for career growth.
• NAB has a strong reputation in the industry for its commitment to customer service and innovation

• I was impressed by NAB's focus on employee development and opportunities for career growth

• I believe that NAB's values align with my own professional goals and aspirations
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Q2. What is your perspective of the term 'Risk'?
Ans. 
Risk is the potential of gaining or losing something of value.
• Risk is the uncertainty of outcome, whether positive or negative.

• It involves the possibility of harm or loss.

• Risk can be managed through various strategies such as risk avoidance, risk reduction, risk transfer, or risk acceptance.

• Examples of risks include financial risk, health risk, and project risk.
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Q3. What is the difference between secured and unsecured loan?
Ans. 
Secured loans are backed by collateral, while unsecured loans are not.
• Secured loans require collateral to secure the loan, such as a house or car.

• Unsecured loans do not require collateral and are based on the borrower's creditworthiness.

• Secured loans typically have lower interest rates due to the lower risk for the lender.

• Examples of secured loans include mortgages and auto loans, while credit cards and personal loans ...read more
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Q4. What skills do you think matches with this job role?
Ans. 
Some skills that match with this job role include strong communication, attention to detail, time management, and teamwork.
• Strong communication skills to effectively interact with colleagues and clients

• Attention to detail to ensure accuracy in tasks and projects

• Time management skills to prioritize tasks and meet deadlines

• Teamwork skills to collaborate with team members and achieve common goals
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Q5. Why interpersonal skills are important in an organization?
Ans. 
Interpersonal skills are crucial for effective communication, collaboration, and relationship-building within an organization.
• Interpersonal skills help in building strong relationships with colleagues, clients, and stakeholders.

• Effective communication is key to successful teamwork and project management.

• Conflict resolution skills are essential for handling disagreements and maintaining a positive work environment.

• Empat...read more
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Q1. Red flags of Money laundering
Ans. 
Money laundering red flags include unusual transactions, complex structures, and lack of transparency in financial activities.
• Large cash transactions that are inconsistent with the customer's profile.

• Frequent wire transfers to high-risk jurisdictions without clear business purpose.

• Use of shell companies to obscure ownership and source of funds.

• Unexplained changes in account activity, such as sudden spikes in deposits o...read more
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Q2. Types of beneficial owner and share of beneficial owner.
Ans. 
Beneficial owners are individuals who enjoy the benefits of ownership, even if the title is in another name.
• 1. Individual Beneficial Owner: A person who ultimately owns or controls a company, e.g., a sole proprietor.

• 2. Corporate Beneficial Owner: A company that owns shares in another company, e.g., a parent company owning a subsidiary.

• 3. Trust Beneficial Owner: Individuals who benefit from a trust, e.g., beneficiaries ...read more
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Q3. 3 stages to launder money
Ans. 
Money laundering involves three stages: placement, layering, and integration to disguise illicit funds.
• Placement: Introducing illegal funds into the financial system, e.g., depositing cash in banks.

• Layering: Concealing the source of funds through complex transactions, e.g., transferring money between accounts.

• Integration: Reintroducing laundered money into the economy as legitimate funds, e.g., investing in businesses.
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Q1. Write an update query in SQL (Easy)
Ans. 
Update query in SQL to modify data in a database table
• Use UPDATE statement followed by table name

• Set the column(s) to be updated using SET keyword

• Specify the new values for the column(s) to be updated

• Add WHERE clause to specify the condition for updating specific rows
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Q2. A case study SQL question which needs to be solved using CASE WHEN (Easy)
Ans. 
Using CASE WHEN in SQL to categorize data based on specific conditions.
• CASE WHEN can be used to create new columns based on conditions.

• Example: SELECT name, CASE WHEN age < 18 THEN 'Minor' ELSE 'Adult' END AS age_group FROM users;

• It allows for multiple conditions: CASE WHEN condition1 THEN result1 WHEN condition2 THEN result2 ELSE result END.

• Useful for data transformation and reporting.
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Q3. Past projects experience
Ans. 
I have experience working on various data analysis projects in industries such as finance and marketing.
• Developed predictive models to forecast sales trends

• Conducted A/B testing to optimize marketing campaigns

• Performed data cleaning and preprocessing to improve data quality

• Utilized SQL and Python for data analysis and visualization
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Q4. Banking domain knowledge
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