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Math Expert V
Joined: 02 Sep 2009
Posts: 58427
In the equation above, k, r, s, t, and v represent positive numbers.  [#permalink]

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Difficulty:   15% (low)

Question Stats: 87% (00:59) correct 13% (01:42) wrong based on 23 sessions

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$$n = \frac{k + \frac{r}{s}}{\frac{t}{v}}$$

In the equation above, k, r, s, t, and v represent positive numbers. Multiplying which one of these numbers by 2 will reduce the value of n to 1/2 of its present value ?

A. k
B. r
C. s
D. t
E. v

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GMAT Club Legend  D
Joined: 18 Aug 2017
Posts: 5032
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: In the equation above, k, r, s, t, and v represent positive numbers.  [#permalink]

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Bunuel wrote:
$$n = \frac{k + \frac{r}{s}}{\frac{t}{v}}$$

In the equation above, k, r, s, t, and v represent positive numbers. Multiplying which one of these numbers by 2 will reduce the value of n to 1/2 of its present value ?

A. k
B. r
C. s
D. t
E. v

$$n = \frac{k + \frac{r}{s}}{\frac{t}{v}}$$

n=vks+rv/st
multiplying t by 2 would make n to 1/2 its PV
IMO D Re: In the equation above, k, r, s, t, and v represent positive numbers.   [#permalink] 07 Feb 2019, 01:23
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In the equation above, k, r, s, t, and v represent positive numbers.

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