SMIORE Interview Questions and Answers

Designing a messaging system like WhatsApp

• Choose a reliable and scalable backend technology like Node.js

• Implement end-to-end encryption for secure communication

• Use push notifications for real-time messaging

• Allow users to create groups and broadcast messages

• Provide features like voice and video calling

• Ensure data privacy and compliance with regulations

• Design a user-friendly interface for easy navigation

Advise the nimbu paani wala on how to start saving for the future.

• Encourage him to set a savings goal and create a budget to achieve it.

• Suggest he start small by saving a small percentage of his daily income.

• Recommend he explore investment options to grow his savings over time.

• Remind him to continue setting aside enough money for his daily expenses.

• Provide resources or education on financial literacy to help him make i

To expand into more countries, the IT sector multinational can adopt a market entry strategy that includes market research, partnerships, localization, and scalability.

• Conduct thorough market research to identify potential countries for expansion

• Establish strategic partnerships with local companies to leverage their knowledge and networks

• Adapt products and services to meet the specific needs and preferences of each tar...read more

A metric to rank Indian cities for BPOs

• Consider factors like availability of skilled workforce, infrastructure, cost of living, and government policies

• Weight each factor based on its importance to the company

• Collect data on each factor for different cities and assign scores

• Rank cities based on their total score

• Examples of factors: number of universities, quality of transportation, cost of office space, tax incentives

• Re...read more

The probable reasons for manufacturing stoppages due to parts unavailability in an auto company in India and suggested solutions.

• Probable reasons: supply chain disruptions, inventory management issues, quality control problems, lack of communication with suppliers

• Investigate by analyzing historical data, conducting supplier audits, implementing real-time tracking systems

• Solutions: improve forecasting accuracy, establis...read more

The exact number of airplanes flying in the Indian sky at the moment is not available.

• The number of airplanes flying in the Indian sky changes constantly.

• It depends on factors such as time of day, weather conditions, and airline schedules.

• However, on average, there are around 2,000 flights in the Indian airspace at any given time.

• This number includes both domestic and international flights.

• The Indian aviation industry ...read more

The Delhi Metro is expected to break even in 2025.

• The Delhi Metro has been expanding rapidly and has seen a steady increase in ridership.

• The metro has been able to generate revenue through advertising and property development.

• The government has also provided financial support to the metro.

• Based on current projections, the Delhi Metro is expected to break even in 2025.

Code for rand7 using rand5 function

• Use rand5 twice to generate a number in [1,25] with equal probability

• If the number is greater than 21, discard and try again

• Otherwise, return (number mod 7) + 1

LRU cache is implemented using a doubly linked list and a hash map.

• Create a doubly linked list to keep track of the order of elements in the cache.

• Create a hash map to store the key-value pairs of the cache.

• When a new element is added, check if the cache is full. If it is, remove the least recently used element from the linked list and the hash map.

• When an element is accessed, move it to the front of the linked list to...read more

Function to randomly select pivot element in Quick Sort

• Generate a random index within the range of the array

• Return the element at the randomly generated index as the pivot