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PS 1

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SVP
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PS 1 [#permalink] New post 01 Jun 2004, 17:42
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Answer with Solutions.....
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p1.JPG
p1.JPG [ 12.83 KiB | Viewed 759 times ]

SVP
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 [#permalink] New post 01 Jun 2004, 18:54
sqrt( 3969 )/ sqrt( 0.003969 ) = sqrt( 3969/0.003969 )

3969 = 0.3969 * 10^4
= 0.03969 * 10^4
= 0.003969 * 10^6

3969/0.0003969 = 10^6
sqrt(10^6) = 10^3 = 1000
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Re: PS 1 [#permalink] New post 01 Jun 2004, 21:33
D

sqrt(.003969)=sqrt(.003969)*(10^-3)
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 [#permalink] New post 03 Jun 2004, 01:27
I would eliminate D in a split second, numerator and denominator are not equal.
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 [#permalink] New post 03 Jun 2004, 19:47
Hi GoalStandfrd

You are mistaken. The solution is not 1 but it is 1000. I presume you mistook the , to be a .

sometimes these picture files can create an illusion.

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 [#permalink] New post 03 Jun 2004, 22:14
I was only referring to srijay's answer . I was just saying D was not the right one and could easily be eliminated in a split-second, as answer "1" means both numerator and denominator should be equal but they are not.

Anand showed the correct answer.
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 [#permalink] New post 03 Jun 2004, 22:29
Hi goal

Indeed D is the right one.

the picture shows 1000 as 1.000 The comma (,) after the 1 is mistaken to be a decimal (.) point. D is the correct one. You cannot dimiss that in a split second.

:)
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  [#permalink] 03 Jun 2004, 22:29
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