# Job: Software Development Engineer
“A disc is spinning on a spindle, and you don't know which way. You are given a set of pins. Describe how you would use them to determine which way the disc is spinning.”
Simply you can drop the pins onto the spinning disc and note how they rebound of the surface. The questions are designed as per the desired specifications of the job profile.
Good software engineers have a special talent for describing problems in very discrete steps i.e. they can break complicated problems down into simple steps and then let the computer to follow the steps. See the question relates to the job, right.
# Job: Business Operations Intern at Facebook
“You have a bag of with "N" number of strings. At random, you pull out a string's end. You pull out another string end and you tie the two together. You repeat this until there are no loose ends left to pull out of the bag. What is the expected number of loops?”
Before your head starts spinning, it’s always advisable to listen carefully the question and you can request the interviewer to repeat the question in case you were not able to understand it properly.
The Business operations intern learns to develop and drives operational strategies to deliver financial results and business objectives. The interviewer judges the capability of the candidate if he has the ability to gain visibility to the processes, systems and policies.
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