7 interview questions to test your candidates’ critical thinking
TRANSCRIPT
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7 Interview Questions to Test Your Candidates’
Critical Thinking
Savvy interviewers use brainteasers to suss out their bright sparks.
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Why use brainteasers?
• Problem Solving. Can they at least attempt to solve problems as they arise?
• Analysis. Can they look at the big picture and analyse all the information to find a solution?
• Creativity. Do they think outside the box?
• Performance under pressure. Can they keep it together, when faced with the unknown?
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If performance under pressure is the most
important factor for you, check out our recent blog
post:
6 Left-Field Questions to Catch Someone off Guard…
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Asking questions that have no
relevance seems like a great idea…right?
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Q1. “If you were a pizza delivery man,
how would you benefit
from scissors?”Apple Inc.
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A2: There is no right answer!
But….
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There are certainly good signs…
A candidate who deliberates, comes up with a remotely relevant answer and explains their reasoning…
What is it like to be a pizza delivery man?
How will those scissors come in handy?
Clever sods might even give reasons why you shouldn’t take scissors, turning your question on its head.
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And bad signs…
• Candidates who won’t answer the question!
It’s an interview…YOU make the rules.
• Candidates who can’t answer the question!
Where’s the creativity?
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Q2. An apple costs 40 cents, a banana costs 60
cents and a grapefruit costs 80 cents. How much
does a pear cost?Epic Systems
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Did You Get An Answer?
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Take another look…
“An apple costs 40 cents, a banana costs 60 cents and a grapefruit costs 80 cents.
How much does a pear cost?”
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A2: It’s all about the vowels.
If each vowel is worth 20 cents, then apple would be
worth 40 cents, banana would be worth 60 cents and grapefruit would be
worth 80 cents.
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If a candidate answers correctly, in such a
high-pressure situation, you should
be impressed…
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However…
Don’t be too quick to judge!
Surely there are other answers that could impress you?
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Other Good Signs…
Is their answer sensible, thought-out and practical?
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Bad Signs…
Blurting out an answer without fully considering the
consequences could give you a little hint about how they’ll
make decisions in the future…
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Q3: How would you test a calculator?
IBM
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A3: There is no right answer!
(But there’s plenty of wrong ones!)
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Good Signs:
Anyone who offers a method that is…
StrategicDetailedEfficient
Systematic
…and that would actually work!
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Bad Signs…
Anyone who offers a method that is…
× Thoughtless× Unjustified × Impossible× Confused
What does this tell you about their general organisational skills?
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Q4: “A farmer needs to cross the river with his chicken, a sack of corn and a fox.
His boat unfortunately only fits himself and one other item.
If he leaves the fox with the chicken, the chicken will get eaten, whilst if he leaves
the chicken with the corn, the corn will get eaten.
How will the man get safely across with all 3?
“ “
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It’s easy when you know how…
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A4: The man takes the chicken across and then goes back for the fox.
He can’t leave the fox and chicken together so when he drops the fox off, he picks up the chicken.
He then goes back for the corn.
He can’t leave the corn and the chicken together so when he picks up the corn, he drops off the chicken.
When the corn is safely with the fox on the right side
of the river, he goes to collect the chicken.
““
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The REAL question..?
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Why’s the farmer hanging out with a fox in the first
place?
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Other Good Signs…
If you use the question as a team activity during a group interview or assessment day you can look out for…
• Leadership Skills• Team Work Skills• Interpersonal Skills
…look out for those who sensitively facilitate the successful completion of the task.
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Bad Signs…
• Misunderstanding the question
• Reaching the wrong conclusion
• Sacrificing the wolf or the chicken
• Beware of candidates who’ve heard it all before!
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Q5. “How many potatoes (in kg) does McDonald’s sell in a year in the UK?”
Oliver Wyman
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A5. 200 Million KG
(Roughly)
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There are loads of variations on this question…
How many square feet of pizza are eaten in the UK every year?
How many petrol stations are there in the UK?
How many pennies, if placed on top of each other, would it take to reach the top of Big
Ben?
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Good Signs…
• Any candidate who’s answer is remotely close!
• Sensible presumptions
• Evidence of mathematical ability
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Bad Signs…
Incorrect mathematical sums, hasty deductions and unreasonable
reasoning…
If you actually care about their numerical reasoning capabilities
that is…
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Q6. Tracy’s mum had 4 children. The
first child was named April, the
second was named May, the third June.
What was the 4th child called?
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Did you notice the cheeky little trick?
Look again…
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“Tracy’s mother had 4 children. The first child was named April, the
second was named May, the third June. What was
the 4th child called?”
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Bad Signs…
Anyone who incorrectly answers the
question!
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Q7. How do you know if the light in the fridge is
on or off when the
door’s closed?
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A7. There is no right answer!
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You could…
• Use a camera• Drill a hole in the fridge• Find the sensor and test it with
your thumb• Touch the light bulb (if you’re
careful)
Be creative and the list is endless…
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Bad Signs…
No answer at all implies a
sincere lack of creativity!
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So…when should I use
brainteasers?
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At any stage of the interviewing process!
From telephone and face-to-face, to panel and Skype
but they’re most effective during the…
Group Interviews
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Warning. Brainteasers are the most
difficult questions to answer during an interviewer.
(So much pressure…so little time!)
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Even great candidates might
get put off and completely fudge the answer up!
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We prefer a mixture of…
The BasicsBehavioural Questions
Questions to put candidates at ease!
Click on the links above to find examples for you to swipe and deploy in
your own interviews!
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Who are Coburg Banks?
We’re an award-winning UK-based, multi-sector recruitment consultancy.
Since 2002, we’ve headhunted and interviewed thousands of candidates.
We’ve racked up a wealth of knowledge about how to attract the most
prestigious employees to a business…
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We’ve started spreading the word with our blog, which delivers…
• Cutting edge guidance, revealing how to attract and retain the best candidates, without wasting precious time on inappropriate ones.
• More insider secrets revealing how to draw out the best (and the worst) in your interviewing candidates.
• Shocking and embarrassing true confessions from recruiters across the globe; we’ve all made mistakes, now you can learn from them!
…and we’re not keeping it to ourselves!
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So if you’re interested in learning…
How to attract high-calibre interviewing candidates.
How to assess those high-calibre interviewing candidates.
How to hire and retain those high-calibre candidates.
Click on the links above to check out our respective blogs today!
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Enjoy and Good Luck from the Coburg Banks Team!