Seismic Interview Questions

226 seismic interview questions shared by candidates

A circle rolls on the onside of the circumference of a round clock in a 2-dimensional plane, they touch only at one point. The circle has an arrow pointing straight up when it's initially placed at the number 12 on the clock. The circle starts to roll clockwise along the circumference of the clock, and the arrow rotates as it rolls. Where is the circle (at what number on the clock) when the arrow first point straight up again?
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Seismic Imaging Analyst

Interviewed at Viridien

3.7
Feb 13, 2019

A circle rolls on the onside of the circumference of a round clock in a 2-dimensional plane, they touch only at one point. The circle has an arrow pointing straight up when it's initially placed at the number 12 on the clock. The circle starts to roll clockwise along the circumference of the clock, and the arrow rotates as it rolls. Where is the circle (at what number on the clock) when the arrow first point straight up again?

(I am rephrasing question for privacy concern)Q. 1000 different balls in a bucket. One can select 250 balls at once. What is the probability of picking a ball at least once after 4 different picks (select and dump again into the bucket).
avatar

Seismic Image Analyst

Interviewed at Viridien

3.7
Apr 16, 2020

(I am rephrasing question for privacy concern)Q. 1000 different balls in a bucket. One can select 250 balls at once. What is the probability of picking a ball at least once after 4 different picks (select and dump again into the bucket).

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