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GRE Math Challenge #49-computer can perform c calculations

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Director
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Joined: 16 May 2014
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GRE 1: Q165 V161
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GRE Math Challenge #49-computer can perform c calculations [#permalink] New post 24 Dec 2014, 05:41
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Question Stats:

37% (00:51) correct 62% (00:17) wrong based on 43 sessions
A computer can perform c calculations in s seconds. How many minutes will it take the computer to perform k calculations?

A) \(\frac{60ks}{c}\)

B) \(\frac{ks}{c}\)

C) \(\frac{ks}{60c}\)

D) \(\frac{60c}{ks}\)

E) \(\frac{k}{60cs}\)
[Reveal] Spoiler: OA

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Re: GRE Math Challenge #49-computer can perform c calculations [#permalink] New post 18 Jul 2018, 14:15
soumya1989 wrote:
A computer can perform c calculations in s seconds. How many minutes will it take the computer to perform k calculations?

A) \(\frac{60ks}{c}\)

B) \(\frac{ks}{c}\)

C) \(\frac{ks}{60c}\)

D) \(\frac{60c}{ks}\)

E) \(\frac{k}{60cs}\)



c calculation needs s sec

1 calculation needs s/c sec

k calculation needs ks/c sec

Note: we are asked to determine the answer in minutes. So, divide by 60.


(ks/c)/60

= ks / 60c

The correct answer is C.
Re: GRE Math Challenge #49-computer can perform c calculations   [#permalink] 18 Jul 2018, 14:15
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GRE Math Challenge #49-computer can perform c calculations

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