Questions d'entretiens - Technology specialist

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IBM
On a demandé à un IT Role...13 novembre 2015

How many man hours would it take to clean every single window in London?

21 réponses

Thank you for the time, this job's not for me...

If that includes Windows Vista it doesn't seem worthwhile.

Based on London's population and an average time per window you could give a rough estimate. Each person has a home and a workplace (schools or other public institutions are also here). So I have 2 windows for me at home and 2 at home, maybe more.. Then I take all cars of London probably the same or more as the population have about 6 windows each So the formula would be: time_per_window * ( population * ( 2 at home + 2 at work + 6 per car)) Moins

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Deloitte

Load a file using Pig which has a custom field delimiter and line terminator

12 réponses

You need to write a UDF for Load extending the class LoadFunc

Short Term goals:bug discovery,bug prevention Long Term goals:quality,risk management,customer satisfaction Moins

no comments

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WM

Why are manhole covers round?

11 réponses

A round cover won't fall into a round hole.

Harder to fall in the hole itself. Vs a square or rectangle cover

Hard to put a round cover on the wrong way. Only 1 way to put it on, even if upside down Moins

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Susquehanna International Group (SIG)

a family have 2 kids. if you have seen 1 girl , what is the proberbl the other kids is a boy

10 réponses

chainsaw is right - the question is subtle. Outcome space is (b1,b2), (b1,g2), (g1,b2) and (g1,g2). Now - if you HAVE SEEN the girl (specific girl let's say girl 1) that removes outcomes (b1,b2)&(b1,g2) leaving us with p=1/2 of choice between outcomes (g1,b2) and (g1,g2). If you KNOW (was told) that one is a girl, but do not know which one, than only (b1,b2) is removed from outcome space and the chance is 2/3. Moins

answer is 1/2 - the question is very subtle...

isnt it 1/2? BG (boy and girl) and GB (girl and boy) are the same. order is not important. or am i missing something? Moins

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ZS Associates

Case study round with 30 minutes time is a bit of a challenge.

9 réponses

when was your AMCAT test conducted ??

Guys! If I tell you my identity then what's the point of anonymity!

Hey.. Actually the purpose of asking about the date was when could I expect the interview call as I have already cleared AMCAT exam.So that info could be helpful. Moins

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Are you ready to stand the work pressure ?

10 réponses

I missed work pressure.

Yes

Any other questions. Only pressure

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Capital One

1 million card applications. $1 per application cost to do employment verification. 96% pass verification and get a card. 4% fail and do not get cards. Given average profits on cardholders in good standing, and average losses on accounts that default, find the % of denied cardholders that would have to default in order to justify the $1 per application verification cost .

8 réponses

Anymore info given? I think you'd either need to know the percentage of cardholders in good standing, or the percentage of cardholders in bad standing. Moins

This appears to be a trick question that makes you think they want to know the break-even point. However: how can someone default on a credit card that they were "denied" and never issued? Moins

Its hypothetical - IF they were given the card and IF they defaulted on it... how many of them would have to default in order for the losses from their accounts to justify the $1/application cost of rejecting them. Moins

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Deloitte

Are you willing to work 80 hours a week?

6 réponses

I just got hired there as a bra, easily willing to work the 80 hours. Never saw a company that treats you with so much respect and trust right out of the gate. Also spend a lot of money per employee in technology which most people don't know and don't care about. I know and appreciate it as even if a company has the money, most won't spend it. Deloitte realizes their people are their biggest asset. Moins

It depends on a person to person - if a resource is efficient and having skill to automate, the 16 hour work for a normal resource can be done in less than 8 hours ! Moins

No, I am not interested in working for a company that doesn't value life/work balance. Thank you for your time and good day. Moins

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Accenture

Hoeveel katten zijn er in Nederland?

6 réponses

Waarom vraag je dit? Wil je het aantal katers en poezen weten? Wil je weten welke katten als huisdier geregistreerd zijn? Of wil je weten hoeveel katten in een asiel verblijven? Wil je ook het aantal wilde, loslopende katten weten? Moins

Te weinig

Analytisch en stapsgewijs denken. en vanuit een framework proberen te denken

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Goldman Sachs

An analytical question about: Say you have ten stacks of coins with ten coins in each stack, each coin weighing 1g. However, one of the stacks has 2g coins instead of 1g coins. If you have a weighing scale and can only make one measurement, how do you determine which stack of coins weighs 2g each coin?

6 réponses

It's simple. Take 1 coin from the first stack, 2 coins from the second, 3 from the thirds - you see where this is going - finally 10 from tenth stack. put them on weighing scale. If in result you get 56 - it was first stack, 57 - second.... 65 - tenth stack. Moins

1-If all the coins are made from the same material and same diameter, then the heavier coin stack should be slightly taller. 2- Weight all the stacks at once, and remove each stack until you see a dip in the tota weight . Moins

I didn't quite understand what you meant. So there are 10 coins, 9 weigh 1 gram, and one weighs 2 grams? The second sentence seems contradictory. If you can only make one measurement, then you would divide the stacks into two. Place each stack on either scale, and whichever one is heavier contains the 2g coin. Moins

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