1) A man moving upwards on an escalator at a certain speed, then he turned downwards with some other speed. Find the number of steps of the escalator. 2) A and B are flipping a coin. What is the probability of A winning first? 3) A sphere inscribed in a cube with an edge x. Find the volume of the sphere.
given the first two numbers of a geometric sequence, find the third one.
(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).
ask for my papers
Why WesternGeco? Every interview asks you that tough, "why us?" you're in an interview, you want the job, does that matter?
What are the crucial points when you performed FWI on cable data, and why?
brain storm questions.
Deghost in seismic imaging preprocessing
Tell me about yourself? Math and physics questions
What's you motivation of applying for this job as a materials science major
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