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Bunuel
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GMAT Club Around The World!!! If k is a positive integer and the ratio 31 Dec 2020, 13:00
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E
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25% (medium)

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76% (01:28) correct 24% (01:41) wrong based on 41 sessions

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If k is a positive integer and the ratio of s to r is equivalent to k/1000, then r is what percent of s, in terms of k?

A. 1000k

B. 1/(1000k)

C. 1/(10k)

D. k/100

E. 100000/k




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E
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GMAT Club Around The World!!! If k is a positive integer and the ratio 31 Dec 2020, 14:50
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Given, s/r = k/1000

And, s*x% = r, so x= r/s *100 = 1000/k *100= 100000/k.

It is E. :)
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GMAT Club Around The World!!! If k is a positive integer and the ratio 31 Dec 2020, 15:15
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it means that ¤1/100=1000/K

So ¤=100000/K

Push E

And happy new year!!!
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GMAT Club Around The World!!! If k is a positive integer and the ratio 31 Dec 2020, 19:55
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e) is the answer - 10^5 /k

we need to find r/s* 100 and we are given s/r = k/1000
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GMAT Club Around The World!!! If k is a positive integer and the ratio 31 Dec 2020, 23:18
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IMO E

k>0 integer
\(\frac{s}{r }= \frac{k}{1000}\)

r = X% * s
=> \(\frac{r}{s}*100 = X\) => find X

\(\frac{s}{r} = \frac{k}{1000}\)

=>\( \frac{r}{s} = \frac{1000}{k}\)

=> \(\frac{r}{s}*100 = \frac{1000}{k} * 100 = \frac{100000}{k}\)
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GMAT Club Around The World!!! If k is a positive integer and the ratio 01 Jan 2021, 01:58
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s/r = k/1000
so, r/s = 1000/k

(r/s)% = (1000/k)*100

IMO Option E
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GMAT Club Around The World!!! If k is a positive integer and the ratio 02 Jan 2021, 01:08
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Correct Answer E

If k is a positive integer and the ratio of s to r is equivalent to k/1000, then r is what percent of s, in terms of k?

s/r =k/1000

say r is x%of s
r=x*s/100

x= (r/s)*100
=(1000/k)*100
=100000/k
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GMAT Club Around The World!!! If k is a positive integer and the ratio 02 Jan 2021, 21:39
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we are given s/r = k/1000
Let x% of s be r
x/100 * s= r
x/100 = r/s
x/100 = 1000/k
x = 100000/k

The correct answer will be E
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GMAT Club Around The World!!! If k is a positive integer and the ratio 03 Jan 2021, 09:58
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Bunuel
If k is a positive integer and the ratio of s to r is equivalent to k/1000, then r is what percent of s, in terms of k?

A. 1000k

B. 1/(1000k)

C. 1/(10k)

D. k/100

E. 100000/k



Happy New Year Armenia, Azerbaijan, Georgia, Mauritius, Oman, Scattered islands in the Indian Ocean, Seychelles and United Arab Emirates!

Dec 31 Event: GMAT Club Around The World!
(38 new questions posted every hour time zone on Dec 31!)

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since, s/r = k/1000
rearranging the expression gives:

r = (1000/k)s
-> r = (100000/k)s%

Thus the answer is 100000/k.

IMO, option E is the answer.
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