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/sci/ - Science & Math

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4809561 No.4809561[DELETED]  [Reply] [Original]

I'm so proud.
3/3

>1. A bat and ball together cost $1.10. The bat costs $1 more than the ball. How much does the ball cost?
>2. If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
>3. In a lake there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?

http://www.kiplinger.com/tools/intuitive-analytical-thinker/
If anyone on /sci/ can not 2/3 you should consider not being here.

>> No.4809576

5 cents
5 minutes
47 days

>> No.4809581

2 relies on the assumption that the machines work independently

>> No.4809599

5 cents, 5 minutes, 47 days....did all three...But I see someone else already did them.

These aren't difficult questions. Fuck off back to /b/ please.

>> No.4809601

1) 5.62 kilograms of NaCl(s)
2) lac operon
3) 2.1 radians

>> No.4809605

3/3 but i got stuck on 2 for a moment.

>> No.4809619

Does this really mean anything?

On all three, at first thought I got the "intuitive answer" and after giving it some actual thought, I easily concluded the real answers.

>> No.4809633

>This isn’t a test of intelligence so much as it is a test of thinking style.
No, it is in fact a test of intelligence. If you get these wrong, you aren't merely thinking in a different style - you're just stupid.

>> No.4809638

>>4809619
Not really I assumed most people on here would be of the analytical thinking type. It is not too surprising that most people are but it is nice to have my preconceptions confirmed. If there had been a significant fail rate the I would have been disappointed. Analytical people are a better class of people IMO but I can put up with an occasional knee-jerk idiot.

>> No.4809644

are these questions for primary school children?

>> No.4809650

This is like 10th grade levels of math. How on earth is this difficult?
x+y = 1.1
x=y+1

2y+1=1.1
2y=.1
y=.05 or 5 cents.

Rate of production is 5 minutes/widget, so it'd be 5 minutes still.

Second is 47 days because it'd take an extra day to double the half.

I'm a high school drop out, btw.

>> No.4809653

>>4809650

>M.Sc in maths

>> No.4809657

>>4809653
It's funny because I'm a high school drop out, but I went to community college to get accepted to a bigger uni. So I'm going for my bachelor's in engineering even though I don't have a high school diploma.

>> No.4809661

>>4809657

it is funny because you are a nigger

>> No.4809662

>>4809561
5 cents
5 minutes
47 days

>> No.4809675

>>4809661
Basically this

>> No.4809671

>>4809650
>did all that math for such a simple question
>"I'm a high school drop out, btw"
I can tell.

>> No.4809677

>>4809661
it's funny because it's true

>> No.4809682

I got all three, what do I win?

>> No.4809679
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4809679

>>4809677
>>4809661
>>4809657
I don't find any of this funny.

>> No.4809681

>>4809661
I am.

And I'm sleeping with white women while you fap to anime.

>> No.4809689

>>4809681

leave this nigger alone, nigger!

i am a nigger btw

>> No.4809709

>>4809681
>sleeping with white women while you fap to anime.

That's like saying "I am eating and breathing shit while you are flying through the open sky".
You really thinking you are on the winning side here? I pity you, fool.

>> No.4809711

>>4809709
there's no arguing taste

>> No.4809722
File: 97 KB, 600x464, 1299575435717.gif [View same] [iqdb] [saucenao] [google]
4809722

Day 1: 1 lily pad
Day 48: 140,737,488,355,328 Lily pads

6 feet median widtth which means these pads at day 48 would cover 26,654,827,300 miles / 42,896,786,500 kilometers
They would wrap around the earth 1,070,432 times

DEAR GOD, NUKE THEM NOW

>> No.4809735

I got 3/3 with ease and I readily admit that I'm not very smart.

This test doesn't mean shit.

>> No.4809740

>>4809735

The quiz itself claims that it is not a metric of intelligence, but a measure of your ability to think analytically.

>> No.4809743

>>4809740

But everybody who's ever taken a test on the internet is going to assume they are trick questions and ignore the obvious answer.

>> No.4809745

>>4809735
The test is supposed to prove whether you're an analytical thinker.
OP only stated "If anyone on /sci/ can not 2/3 you should consider not being here" so you'd feel pressured into doing it because everyone on /sci/ likes to prove themselves.

Either way, I think there is some validity to this because most people who hear these question quickly go "ughh I don't want to think about that" and can never get the answer correct, but these questions are simple to an analytical thinker.

>> No.4809750

>1. A bat and ball together cost $1.10. The bat costs $1 more than the ball. How much does the ball cost?
Let x be the ball and y be the bat. Then x + y = 1.10 but the bat costs $1 more than the ball, so x + y = 1.10 + 1. Subtracting x+y gives 1 = 0. The problem can't be solved. Nice troll.

>2. If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
100 machines will need 500 minutes for 500 widgets. To get 100 widgets we have to devide by 5 but then we only have 20 machines. Another unsolvable puzzle. Fuck you, OP.

>3. In a lake there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?
Let x be the patch. The next day it'll be 2x, then 4x ... The numbers are always bigger than 1/2. We can't get 1/2 x.

10/10
OP is a master troll.

>> No.4809755

>However, one widget per machine per minute means in 5 minutes 100 machines can make 100 widgets.

I like how they fuck up their own explanation.

>> No.4809759

>>4809755

hahaha, someone should call them on their bullshit.

>> No.4809760
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4809760

>>4809750
Holy fuck you're dumb

>> No.4809776

>>4809750
I know you are trolling...

>>1. A bat and ball together cost $1.10. The bat costs $1 more than the ball. How much does the ball cost?
>Let x be the ball and y be the bat. Then x + y = 1.10 but the bat costs $1 more than the ball, so x + y = 1.10 + 1. Subtracting x+y gives 1 = 0. The problem can't be solved. Nice troll.

x + y = 1.10
x = y + 1.00

y + 1.00 + y = 1.10
2y + 1.00 = 1.10
2y = 0.10
y = 0.05

>>2. If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
>100 machines will need 500 minutes for 500 widgets. To get 100 widgets we have to devide by 5 but then we only have 20 machines. Another unsolvable puzzle. Fuck you, OP.

5 machines make in 5 minutes 5 widgets. This means 1 machine can make 1 widget in 5 minutes.
100 machines will make 100 widgets in 5 minutes

>>3. In a lake there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?
>Let x be the patch. The next day it'll be 2x, then 4x ... The numbers are always bigger than 1/2. We can't get 1/2 x.
it takes 48 days until the entire lake is covered.
If it doubles every day half the lake is covered 1 day before the whole lake is covered
Answer: 47 days

>> No.4809806
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4809806

>>4809750
pic related, but 3/10 for trolling others

>> No.4809834

>>4809657
>Engineer

There we go, problem solved

>> No.4809869

$0.05
5 Minutes
47 Days

Try harder next time.

>> No.4809937

>42
>3 licks
>The doctor is the mother.

>> No.4809974

herp

>> No.4809998

>>4809806
3/10 you skinflint fag!
He deserve a 5/10 at least, you can be proud >>4809750

>> No.4810118

3/3 in ten seconds
maybe try posting non-kindergarten level questions next time?