IQ Test

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Ahall

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This looks like a classic trick question based on order of operation rules.

However. I think it’s poorly presented.



Pair of earbuds + Pair of earbuds + Pair of earbuds = 30 -> pair of earbuds = 10

Person + Person + Pair of earbuds = 20 -> Person = (20-10)/2= 5

Pair of watches + pair of watches + person = 13 -> pair of watches = (13-5)/2=4



So is a pair of watches 2 watches or watches squared – either way a watch is 2

What about earbuds, is it 2 earbuds or earbuds squared – earbud could be 5 or the square root of 10.

I think we have to assume that they want us to do this without a calculator and go with addition of like symbols, even though XX = X^2, not 2X



Earbud +person with a pair of earbuds and a watch times a watch =

Order of operations

Person with earbuds and a watch first – that’s 10, 5 and 2, but do you multiply or add.

Based on prior observations, lets add

10+5+2 = 17

Then multiplications

Watch time person with earbuds and watch

17* 2 = 34

Add the single ear bud.

34+5 = 39



That’s the answer your supposed to come up with,



However, a fair interpretation would also be

Earbud = square root of 10

Person = 5

Watch = 2

The middle symbol is a person with a watch and earbuds.

With the size changes and placement on the body this could be interpreted a multiplication, rather than addition.

(Person, watch, pair of earbuds) = 5*2*10= 100

100* watch = 100*2=200

200+ earbud = 203.162278………



The person also divides the earbuds so that could indicate division (10//5*2=4)

The earbuds could also be interpreted as an exponent ((5*2)^10= 10,000,000,000) .



Bottom line, a variety of baseless assumptions are needed to solve the “IQ test”, so we learned more about the IQ of the creator than our own intelligence.
 

Snattlerake

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I hates Math!

All these answers tell you why I hates Math.
Yosemite Sam.gif
 

sumoj275

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30/3=10
20-10=10. 10/2=5
13-5=8. 8/2=4
4-2=2.
Ear bud=10
Man=5
Sleeping Bag=2

EB+MxSB
10+5x2=30

Good enough for showing my work? Do I pass?
Fug it, I don’t care to read all of the thread to get an answer. Math isn’t my favorite thing unless wood working, metal working, reloading, tape measure, and money. 👍
 

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