Visa Interview Questions, Process, and Tips

Q1. Design an econmerce website
Ans. 
Design an ecommerce website for online shopping
• User-friendly interface for easy navigation

• Secure payment gateway integration

• Product categorization and search functionality

• Customer reviews and ratings

• Responsive design for mobile compatibility
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Q1. Two Sum of numbers with given target value
Ans. 
Given an array of integers, find two numbers that add up to a given target value.
• Use a hash map to store the difference between the target value and each element in the array.

• Iterate through the array and check if the current element exists in the hash map.

• If it does, return the indices of the two numbers.

• If no solution is found, return an empty array.
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Q2. Calculate the time taken by kth person to collect n number of tickets
Ans. 
The time taken by the kth person to collect n number of tickets can be calculated using a formula.
• Use the formula: time = (n - 1) * k

• Subtract 1 from n because the first person doesn't need to wait for anyone

• Multiply the result by k to get the time taken by the kth person

• Example: If n = 5 and k = 3, the time taken by the 3rd person would be (5 - 1) * 3 = 12
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Q3. Seperation of even and odd numbers
Ans. 
Separate even and odd numbers in an array
• Iterate through the array and check if each number is even or odd

• Create two separate arrays for even and odd numbers

• Add the even numbers to the even array and odd numbers to the odd array

• Return both arrays as the result
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Two questions on array sort the given array and find how many times a element occur

Simple data structures problem solving.

Q1. Problem solving related to tree and maps?
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Q2. Design question for a email service having scope to add different types of communication methods like sms WhatsApp or any new type of messageing service.
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Q1. How do you handle projects which has critical deadlines?
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Q2. How do you handle conflicts?
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Q3. How do plan to lead a team with no experience in a technology which is recently pushed from the organisation side?
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Q1. Behaviour questions
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CodeSignal platform 2 easy and 2 difficult questions

Q1. Details about past projects
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Q2. Details about latest project
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