Interview question - logic problem
Discussion
Right you are going to have to bare with me slightly as I don't know the exact question that is going to be asked. I have just been informed by my agency that the chap interviewing me tomorrow likes to ask logic problem type questions and that his favourite is one based around planets and circumference etc.
My agent said that it is something along the lines of 2 planets in orbit going at different speeds and you need to work out when they are going to collide or possbly line up, if on different circumference orbits. I think its safe to assume that the will both be orbiting the same point.
I've got some pretty good ideas on how to solve a problem like this, but i won't mention them yet as want to see what anyone else comes up with without influencing.
Also, if anyone else has any logic based questions that they have been asked in interviews, please feel free to post them as they are all good practise.
My agent said that it is something along the lines of 2 planets in orbit going at different speeds and you need to work out when they are going to collide or possbly line up, if on different circumference orbits. I think its safe to assume that the will both be orbiting the same point.
I've got some pretty good ideas on how to solve a problem like this, but i won't mention them yet as want to see what anyone else comes up with without influencing.
Also, if anyone else has any logic based questions that they have been asked in interviews, please feel free to post them as they are all good practise.
The questions they ask ask McDonalds, these days, eh! 
Ok, here's one from my Oxford interview. Imagine you hold a metal cube from one corner. Lower the cube into a bucket of acid half way so it dissolves half of the cube. Now look at the side that is facing downwards. What shape is it? (Yeah, Argos Oxford. b
ds. I just wanted to clean the tears of joy from the laminated book of dreams...)

Ok, here's one from my Oxford interview. Imagine you hold a metal cube from one corner. Lower the cube into a bucket of acid half way so it dissolves half of the cube. Now look at the side that is facing downwards. What shape is it? (Yeah, Argos Oxford. b
ds. I just wanted to clean the tears of joy from the laminated book of dreams...)Edited by ShadownINja on Thursday 7th May 22:07
ShadownINja said:
The questions they ask ask McDonalds, these days, eh! 
Ok, here's one from my Oxford interview. Imagine you hold a metal cube from one corner. Lower the cube into a bucket of acid half way so it dissolves half of the cube. Now look at the side that is facing downwards. What shape is it? (Yeah, Argos Oxford. b
ds. I just wanted to clean the tears of joy from the laminated book of dreams...)
Triangle?
Ok, here's one from my Oxford interview. Imagine you hold a metal cube from one corner. Lower the cube into a bucket of acid half way so it dissolves half of the cube. Now look at the side that is facing downwards. What shape is it? (Yeah, Argos Oxford. b
ds. I just wanted to clean the tears of joy from the laminated book of dreams...)Edited by ShadownINja on Thursday 7th May 22:07
ChrisMCoupe said:
Right you are going to have to bare with me slightly as I don't know the exact question that is going to be asked. I have just been informed by my agency that the chap interviewing me tomorrow likes to ask logic problem type questions and that his favourite is one based around planets and circumference etc.
My agent said that it is something along the lines of 2 planets in orbit going at different speeds and you need to work out when they are going to collide or possbly line up, if on different circumference orbits. I think its safe to assume that the will both be orbiting the same point.
I've got some pretty good ideas on how to solve a problem like this, but i won't mention them yet as want to see what anyone else comes up with without influencing.
Also, if anyone else has any logic based questions that they have been asked in interviews, please feel free to post them as they are all good practise.
Surely you need to know their initial positions relative to each other, otherwise the question is impossible to answer... unless it's a philosophical question My agent said that it is something along the lines of 2 planets in orbit going at different speeds and you need to work out when they are going to collide or possbly line up, if on different circumference orbits. I think its safe to assume that the will both be orbiting the same point.
I've got some pretty good ideas on how to solve a problem like this, but i won't mention them yet as want to see what anyone else comes up with without influencing.
Also, if anyone else has any logic based questions that they have been asked in interviews, please feel free to post them as they are all good practise.

navier_stokes said:
Surely you need to know their initial positions relative to each other, otherwise the question is impossible to answer... unless it's a philosophical question 
Of course, i wasn't looking for a complete answer, just theroies on how to go about it. i.e. Find the circumference, work out the speed (d/t) etc, thats all really.
I was once asked how I would weigh my own head. Though I say it myself, I was happy with my answer.
I said that I would fill a large bucket with water into which I would place my head. I would measure the amount of displaced water and calculate it's weight. I would then make some assumptions about the density of my head and compare it to water and then use that ratio against the weight of the water.
I can't see another way of weighing one's own head. If you cut it off you can't weight it cos you're dead!
I said that I would fill a large bucket with water into which I would place my head. I would measure the amount of displaced water and calculate it's weight. I would then make some assumptions about the density of my head and compare it to water and then use that ratio against the weight of the water.
I can't see another way of weighing one's own head. If you cut it off you can't weight it cos you're dead!
ShadownINja said:
The questions they ask ask McDonalds, these days, eh! 
Ok, here's one from my Oxford interview. Imagine you hold a metal cube from one corner. Lower the cube into a bucket of acid half way so it dissolves half of the cube. Now look at the side that is facing downwards. What shape is it? (Yeah, Argos Oxford. b
ds. I just wanted to clean the tears of joy from the laminated book of dreams...)

Ok, here's one from my Oxford interview. Imagine you hold a metal cube from one corner. Lower the cube into a bucket of acid half way so it dissolves half of the cube. Now look at the side that is facing downwards. What shape is it? (Yeah, Argos Oxford. b
ds. I just wanted to clean the tears of joy from the laminated book of dreams...)Edited by ShadownINja on Thursday 7th May 22:07
Edited by _Dan_ on Thursday 7th May 22:42
I would immerse myself completely in a bath of water to find my volume, then immerse my head to find its volume and then calculate the weight of my head as a proportion of my total weight. That way, the only assumptions needed are that I know how much I weigh (regrettably true) and that my head is of average density compared to the rest of me (seems plausible enough).
Still having difficulty visualising the dissolving cube, though!
Still having difficulty visualising the dissolving cube, though!
I can't help you with the logic problems, and wish you the best of luck, but...
...if you fail the interview, then your current employer finds out you have been for an interview with a rival and then sacks you so you end up sitting at home in your pants eating cheese and wondering how you are going to pay for this week's electricity, I'll buy your M Coupe off you for £5k. Deal?
Wheels look non-standard. Are they CSLs? Anymore pics?
...if you fail the interview, then your current employer finds out you have been for an interview with a rival and then sacks you so you end up sitting at home in your pants eating cheese and wondering how you are going to pay for this week's electricity, I'll buy your M Coupe off you for £5k. Deal?
Wheels look non-standard. Are they CSLs? Anymore pics?
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