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20+ Telenor Interview Questions and Answers

Updated 16 Oct 2024
Q1. LRU Cache Implementation

Design and implement a data structure for Least Recently Used (LRU) cache to support the following operations:

1. get(key) - Return the value of the key if the key exists in the cache, o...read more
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Q2. Next Greater Element

For a given array/list of integers of size N, print the Next Greater Element(NGE) for every element. The Next Greater Element for an element X is the first element on the right side of X in ...read more

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Q3. Row with Maximum 1's

You have been given a non-empty grid ‘MAT’ with 'N' rows and 'M' columns consisting of only 0s and 1s. All the rows are sorted in ascending order.

Your task is to find the index of the row t...read more

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Q4. DBMS Questions

Indexing, types of indexing, internal data structure of indexing, Normalization, Normalization vs De-Normalization, ACID property.
SQL queries on finding nth highest salary. Difference between stor...read more

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Q5. What can go wrong in setting up offers / referrals?

Ans.

Setting up offers/referrals can go wrong in various ways.

  • Offer may not be attractive enough to customers

  • Referral program may not be communicated effectively

  • Technical issues may arise in tracking referrals

  • Fraudulent referrals may be made

  • Offer may not align with company goals/values

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Q6. What metrics would I track for the referral engine?

Ans.

Metrics for tracking referral engine

  • Number of referrals generated

  • Conversion rate of referrals to sign-ups or purchases

  • Average revenue generated per referral

  • Time taken for referrals to convert

  • Referral source and channel performance

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Q7. What would be the success metrics if profiles were to be introduced in Hotstar

Ans.

Success metrics for introducing profiles in Hotstar

  • Increase in user engagement and time spent on the platform

  • Growth in the number of active users and new user registrations

  • Higher user satisfaction and retention rates

  • Improved personalization and recommendation accuracy

  • Increase in the number of premium subscriptions

  • Reduction in customer support queries related to account management

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Q8. Estimate the number of delivery boys required to start a Dunzo-like Kirana shop delivery service.

Ans.

The number of delivery boys required for a Dunzo-like Kirana shop delivery service depends on factors such as the size of the service area and the number of orders received.

  • The size of the service area will determine the number of delivery boys required to cover the area efficiently.

  • The number of orders received will determine the workload and the number of delivery boys required to fulfill the orders in a timely manner.

  • The availability of technology and tools to optimize del...read more

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Q9. Design an app for an office pantry for employees to order tea/coffee from.

Ans.

An app for employees to order tea/coffee from office pantry

  • User-friendly interface to select beverage options

  • Option to customize the order with milk/sugar preferences

  • Real-time updates on order status and estimated delivery time

  • Integration with payment gateway for cashless transactions

  • Ability to view order history and reorder favorite beverages

  • Notification system to alert employees when their order is ready

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Q10. Strategy bets Hotstar can take to increase the number of paid subscribers on Hotstar.

Ans.

Hotstar can increase paid subscribers by offering exclusive content, improving user experience, and targeted marketing.

  • Offer exclusive content such as original shows and movies to attract more subscribers

  • Improve user experience by enhancing the app's interface, adding features like personalized recommendations, and reducing buffering time

  • Targeted marketing campaigns to reach potential subscribers and offer them incentives to subscribe

  • Partner with telecom companies to offer Ho...read more

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Q11. How will you improve user stickiness on Hotstar?

Ans.

I will improve user stickiness on Hotstar by enhancing the user experience and providing personalized recommendations.

  • Analyze user behavior and preferences to provide personalized content recommendations

  • Improve the user interface and navigation to make it more intuitive and user-friendly

  • Introduce gamification elements to increase user engagement and retention

  • Offer exclusive content and rewards to incentivize users to stay on the platform

  • Implement social features to encourage ...read more

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Q12. What do they mean by a promotion engine?

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Q13. Design a e-commerce website on popular social media platform

Ans.

Design an e-commerce website on a popular social media platform.

  • Choose a social media platform with a large user base and strong e-commerce capabilities.

  • Integrate the e-commerce functionality seamlessly into the platform's existing features.

  • Ensure a user-friendly interface and intuitive navigation for a smooth shopping experience.

  • Implement secure payment gateways and robust customer support.

  • Leverage social media features like sharing, commenting, and reviews to enhance engage...read more

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Q14. Should a popular OTT platform enter into podcast space

Ans.

Yes, a popular OTT platform should enter into the podcast space.

  • Podcasts are a rapidly growing medium with a large and engaged audience.

  • Entering the podcast space can help the OTT platform diversify its content offering and attract new users.

  • Podcasts can provide additional revenue streams through advertising and sponsorships.

  • By leveraging their existing user base and infrastructure, the OTT platform can quickly establish a presence in the podcast market.

  • Podcasts can enhance u...read more

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Q15. How will you measure impact of search in Hotstar

Ans.

The impact of search in Hotstar can be measured through various metrics such as user engagement, conversion rates, and revenue generation.

  • Track the number of searches performed by users on the platform

  • Analyze the click-through rate on search results to understand user engagement

  • Monitor the conversion rates of users who use search to find content

  • Measure the revenue generated from search-driven content consumption

  • Utilize A/B testing to optimize search functionality and improve ...read more

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Q16. How to Make more offers to customer

Ans.

To make more offers to customers, businesses can use various strategies such as upselling, cross-selling, loyalty programs, and personalized recommendations.

  • Upselling: Encouraging customers to buy a higher-end product or service than what they originally intended to purchase. For example, offering a premium version of a product.

  • Cross-selling: Offering complementary products or services to what the customer is already buying. For example, suggesting a phone case to someone who...read more

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Q17. How do brands typically plan their media spends

Ans.

Brands typically plan their media spends based on their marketing objectives, target audience, budget, and media channels.

  • Brands start by defining their marketing objectives and goals.

  • They identify their target audience and determine the best channels to reach them.

  • Budget allocation is done based on the objectives and target audience.

  • Brands analyze past performance and data to optimize their media spends.

  • They may use a mix of traditional and digital media channels for maximum...read more

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Q18. OS Questions

Mutex, Semaphore

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Q19. How to make more satisfy to custemers

Ans.

To make customers more satisfied, provide excellent customer service, listen to their needs, and offer personalized solutions.

  • Deliver prompt and friendly customer service

  • Actively listen to customers' concerns and needs

  • Offer personalized solutions and recommendations

  • Provide clear and accurate information

  • Follow up to ensure customer satisfaction

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Q20. Do you have knowledge about digital marketing

Ans.

Yes, I have knowledge about digital marketing.

  • I have experience in creating and managing digital marketing campaigns.

  • I am familiar with various digital marketing channels such as social media, email marketing, and search engine optimization (SEO).

  • I have worked with tools like Google Analytics to analyze campaign performance and make data-driven decisions.

  • I have a good understanding of targeting and segmentation strategies to reach the right audience.

  • I have knowledge of ad ope...read more

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Q21. Sort an array containing 0,1,2

Ans.

Sort an array containing 0, 1, and 2.

  • Use a sorting algorithm like quicksort or mergesort.

  • Count the occurrences of 0s, 1s, and 2s, then reconstruct the array.

  • Use three pointers to keep track of the positions of 0s, 1s, and 2s.

  • One-pass solution: Maintain three indices (low, mid, high) and swap elements accordingly.

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Q22. Design priority queue

Ans.

Design priority queue

  • A priority queue is a data structure that stores elements with associated priorities

  • Elements with higher priority are dequeued before elements with lower priority

  • Common implementations include binary heaps and balanced binary search trees

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Q23. Which language comfortable

Ans.

I am comfortable speaking English and Spanish.

  • English is my first language and I am fluent in it

  • I also speak Spanish fluently

  • I am comfortable communicating in both languages in various settings

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Q24. UXR methods & understanding

Ans.

Understanding of various User Experience Research methods is crucial for success in the role of a UXR.

  • Knowledge of qualitative and quantitative research methods

  • Experience with usability testing, interviews, surveys, and focus groups

  • Ability to analyze and interpret data to derive actionable insights

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Q25. design clevertap

Ans.

Clevertap is a customer engagement and retention platform that helps businesses analyze and optimize their marketing campaigns.

  • Clevertap provides tools for tracking user behavior and segmenting users based on their actions.

  • It offers personalized messaging and push notifications to engage users.

  • Clevertap also provides analytics and insights to measure the effectiveness of marketing campaigns.

  • Integration with various platforms and APIs allows seamless data flow and automation.

  • E...read more

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