Difficult job interview questions asked by technology companies

Some of our members are still struggling with IS the earth round.
I am one of those. The earth is wider at the equator than it is from pole to pole. For me that makes it oval not round shape.
 
A square one on the diagonal could, right? A triangular one also wouldn't fall in though, I think?

That's actually a pretty damn good question. I don't know.

I was looking for scissors now to cut one and see but can't find the scissors :D
 
Tell us, PB...I have various thoughts but couldn't specifically say that's why.

-Easier to place back on the opening (As opposed to a square cover, square hole)
-Wont fall through opening (Possibility to fall through if it was square)
 
I am one of those. The earth is wider at the equator than it is from pole to pole. For me that makes it oval not round shape.

Hehe. Degrees, I guess...someone who says it's a perfect sphere, I can at least comprehend and talk to. The Flat Earth Society on the other hand...eish.
 
For it related interviews...A simple WhiteBoard. Ask them to write/solve a somewhat tricky/basic question,that involves the actual work they are going to do.
 
In all fairness though. These type of questions should have been done through the screening process before being shortlisted.

I would like to know the person, who they are, what their interests are and if they can fit in with the existing group of employees. The technical stuff should be out of the way already.
 
For it related interviews...A simple WhiteBoard. Ask them to write/solve a somewhat tricky/basic question,that involves the actual work they are going to do.

yip, this has been done with me as well.....
really shows if you know your stuff, or just pad up your CV.........
 
In all fairness though. These type of questions should have been done through the screening process before being shortlisted.
Easy enough to Google, not so when you're put on the spot...
 
how do you write 87 upside down ? L 8 ?
everybody (most pppls?) knows the answer, but how many people can decide how to write it, so it looks like a legible number?? duhhhh
 
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how do you write 87 upside down ? L 8 ?
everybody know the answer, but how many people can decide how to write it, so it looks like a legible number?? duhhhh

they just asked what the number is...not for you to write it down. Read the question next time....duhhh :p
 
That parking could be the handicap spot seeing as there is no place for the handicap to park otherwise.
 
That parking could be the handicap spot seeing as there is no place for the handicap to park otherwise.

Would the handicap parking spot not be numbered? Genuine question...I don't know if they are or not.
 
A square one on the diagonal could, right? A triangular one also wouldn't fall in though, I think?

That's actually a pretty damn good question. I don't know.

I was looking for scissors now to cut one and see but can't find the scissors :D

You think wrong.

For a given N sided regular polygonal manhole cover it is possible to compute a "minimum lip length" (the bit of the manhole that supports the cover preventing it from falling through when placed), that will prevent it from falling through. It is possible to develop a formula for this as a function of N. As N tends to infinity (as the polygon converges to a circle), the function tends to 0, meaning that for a circular hole only an infinitesimally small lip is required, which is an advantage, but it is worth making the observation that this property still exists for other shapes, but a larger (more wasteful) lip is required.

Additionally, if manhole covers are round, they can be rolled to move them around - big advantage, since they're heavy.
 
Would the handicap parking spot not be numbered? Genuine question...I don't know if they are or not.
haha no idea but I think you're the type of person they are looking for with that type of question.
 
I generally don't mind these types of problems - they're very good for seeing how someone approaches a problem, how they communicate with you while trying to solve them, their general attitude (some people will actually get pissed - so definite no hire catch), etc., but I don't ask them myself, since I find that I can usually construct open ended, lateral thinking, interactive discussion type questions around subject matter that is actually relevant - I see asking the "word brainteasers" as lost opportunity cost.
 
I've been to a few interviews where they ask these sorts of questions. They usually thrown in a couple of them inbetween the usual interview questions. You'd be surprised that it actually helps lighten the mood and makes the interview seem way less mundane and routine...

I was asked the manhole question in my last interview(didn't get the job), my first response was that its easier to put back and then as I was saying that I also thought about it falling in and mentioned that.

They said I was the first person in the interviews they did to give those answers lol.

Another question I got was how many petrol stations are there in S.A and what is my thought process to get there.

They are to break the ice and also test a bit of your logic and problem solving skills on the spot.
 
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