Seismic Interview Questions

226 seismic interview questions shared by candidates

Three elementary math problems: 1) A and B are both looking at an airplane. A looks towards the North and up at an angle of 30 degrees, B looks towards the East and up at an angle of 60 degrees. A and B are 10 miles apart. What is the height of the airplane above the ground? 2) Two bricklayers A and B can complete a brick wall in 10 and 9 hrs respectively. If they work together, they take 5 hours. However, in the latter case, they interfere with each other's work, and end up laying down 10 fewer bricks per hour. How many bricks in the wall? 3) What is the minimum distance of the point (0,1) from the parabola y=x^2? The interviewer asked questions about critical points for the third, etc...
avatar

Seismic Imaging Analyst

Interviewed at Viridien

3.4
May 21, 2020

Three elementary math problems: 1) A and B are both looking at an airplane. A looks towards the North and up at an angle of 30 degrees, B looks towards the East and up at an angle of 60 degrees. A and B are 10 miles apart. What is the height of the airplane above the ground? 2) Two bricklayers A and B can complete a brick wall in 10 and 9 hrs respectively. If they work together, they take 5 hours. However, in the latter case, they interfere with each other's work, and end up laying down 10 fewer bricks per hour. How many bricks in the wall? 3) What is the minimum distance of the point (0,1) from the parabola y=x^2? The interviewer asked questions about critical points for the third, etc...

6 Horses are racing around a track. They all start at the starting line and at the same time, and run forever. Horse 1 takes 1 minutes to finish a lap, horse 2 takes 2 minutes to finish a lap, etc. Aside from the starting point, when is the next time 4 horses are at the starting line at the same time? I'm pretty sure this was how it was worded.
avatar

Seismic Processor

Interviewed at Viridien

3.4
Jul 5, 2019

6 Horses are racing around a track. They all start at the starting line and at the same time, and run forever. Horse 1 takes 1 minutes to finish a lap, horse 2 takes 2 minutes to finish a lap, etc. Aside from the starting point, when is the next time 4 horses are at the starting line at the same time? I'm pretty sure this was how it was worded.

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