Intern Interview Questions | Glassdoor
Intern Interview Questions

Intern Interview Questions

From retail to finance to medicine, every industry needs interns to provide additional support and assistance. Interview questions will vary greatly depending on the industry and role you are looking for. Expect to answer questions about how you work on teams and provide examples of any relevant work experience. To ace your interview, make sure to research the particular position you are applying for.

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Suppose you have two covariance matrices A and B. Is AB also a covariance matrix? Suppose that, by plain dumb luck, we also have that AB=BA. Is AB a covariance matrix under this additional condition?

10 Answers

What if you could reflip 1 coin that you wanted. What would be the expected value then?

6 Answers

• Is 1027 a prime number? • How would you write an algorithm that identifies prime numbers? • 2 blue and 2 red balls, in a box, no replacing. Guess the color of the ball, you receive a dollar if you are correct. What is the dollar amount you would pay to play this game?

6 Answers

25 racehorses, no stopwatch. 5 tracks. Figure out the top three fastest horses in the fewest number of races.

9 Answers

Write a function in Java that will take a sorted array of ints, possibly with duplicates, and compact the array removing all the duplicate numbers. That is, if the contains the numbers - 1, 3, 7, 7, 8, 9, 9, 9, 10, then when the function returns, the contents should be - 1, 3, 7, 8, 9, 10. Be sure your answer is as efficient as possible. Describe the efficiency of your algorithm using big O notation.

5 Answers

Can you describe a time when you faced a challenge that was hard to overcome (something along those lines)

5 Answers

Write a program to find the square root of a double.

5 Answers

Given the head pointers to two linked lists of unknown length, find the node of intersection if they do intersect.

5 Answers

Write a function that takes in an array and repeats an integer that appears the most.

5 Answers

Make a program that writes a Binary Search Tree to a file. Now create a program that reads those files and recreates a Binary Search Tree.

5 Answers
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