Junior Engineer Interview Questions

12,075 junior engineer interview questions shared by candidates

You are given 20 bags of coins. Each bag contains coins weighing exactly 1 gram, except for one bag, which contains fake coins that weigh 1.1 grams each. You may use a scale only once. How do you determine which bag contains the fake coins?
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Junior Server Engineer

Interviewed at SciPlay

3.7
Apr 19, 2025

You are given 20 bags of coins. Each bag contains coins weighing exactly 1 gram, except for one bag, which contains fake coins that weigh 1.1 grams each. You may use a scale only once. How do you determine which bag contains the fake coins?

Library Management System: Design a small system to represent a library. Your system should include objects like Book, Client, and Library, and be able to handle six specific operations efficiently (such as lending a book, returning a book, etc.).
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Junior Server Engineer

Interviewed at SciPlay

3.7
Apr 19, 2025

Library Management System: Design a small system to represent a library. Your system should include objects like Book, Client, and Library, and be able to handle six specific operations efficiently (such as lending a book, returning a book, etc.).

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