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 Post subject: Eighteenth of a Kilogram [#permalink]
PostPosted: Tue Feb 02, 2010 4:09 pm 
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Kudos (?): 5 (0), given: 25

There are approximately 2.2 pounds in 1 kilogram . to the nearest eighteenth, How many eighteengths of a kilogram are in 1 pound ?

a)7
b)8
c)9
d)39
e)40

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 Post subject: Re: Eighteenth of a Kilogram [#permalink]
PostPosted: Tue Feb 02, 2010 4:37 pm 
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Kudos (?): 2 (0), given: 18

1kg = 2.2lb

How many 1/18 of 1kg are in 2.2lb? - Split the 1kg into 18 parts.

18/2.2 is closer to 8 than it is to 9.

B


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 Post subject: Re: Eighteenth of a Kilogram [#permalink]
PostPosted: Sun Feb 07, 2010 7:12 am 
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Kudos (?): 1 (0), given: 3

Maybe I'm an idiot but reading that question kinda hurt my brain.
I did it like this:
k = kg, e = eighteenth of a kg, p = pound

e/k = 18/1
k/p = 1/2.2
e/p (which is what we want) = e/k * k/p = 18/2.2

we know that 18/2 = 9 and 18/3=6 so the answer must be less than 9 and bigger than 6. Since its closer to 8 the answer is B


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 Post subject: Re: Eighteenth of a Kilogram [#permalink]
PostPosted: Sun Feb 07, 2010 7:58 pm 
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Kudos (?): 5 (0), given: 2

don't worry nickk, you are not the only one :-D ...i had to read the statement close to 10 times before i understood what it is asking for.
agree on B
1lb=10/22 (10/22)/(1/18)=90/11, so 8 is the answer


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 Post subject: Re: Eighteenth of a Kilogram [#permalink]
PostPosted: Mon Feb 08, 2010 2:55 pm 
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Kudos (?): 5 (0), given: 25

that is a Kaplan CAT question..8 is the answer ..I kinda wasted 4 mins during the exam and guessed it

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well I would not disturb you after the D-day ..so please !!!

It Will Snow In Green , One Day !!!!


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