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Joined: 16 May 2014
Posts: 592
Given Kudos: 0
GRE 1: Q165 V161
GRE Math Challenge #49-computer can perform c calculations
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24 Dec 2014, 05:41
24 Dec 2014, 05:41
Expert Reply
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Question Stats:
42% (00:55) correct
57% (00:28) wrong based on 61 sessions
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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) \(\frac{k}{60cs}\)
A) \(\frac{60ks}{c}\)
B) \(\frac{ks}{c}\)
C) \(\frac{ks}{60c}\)
D) \(\frac{60c}{ks}\)
E) \(\frac{k}{60cs}\)
Re: GRE Math Challenge #49-computer can perform c calculations
[#permalink]
18 Jul 2018, 14:15
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) \(\frac{k}{60cs}\)
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.
gmatclubot
Re: GRE Math Challenge #49-computer can perform c calculations [#permalink]
18 Jul 2018, 14:15
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