Microsoft Interview Question: A disc is spinning on a spind... | Glassdoor

Interview Question

Software Development Engineer Interview(Student Candidate) Cambridge, MA

A disc is spinning on a spindle - 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.
Answer

Interview Answer

4 Answers

2

Drop the pin on the disc, the disc is spinning in the direction the pin fly's out.

Satish Kandi on Jul 29, 2014
0

Yes drop the pin onto the disc n see where the pin move..

Radha on Aug 4, 2014
0

Drop pin by non sharp side and see how it moves.

Ankit on Aug 9, 2014
2

Hold a pin with it sharp end just touching the disc (assuming it is inside a box and there is only one opening). You will be able to feel the direction of motion of the disc.

Yash Teckchandani on Aug 16, 2014

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