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m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?

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m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?  [#permalink]

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New post 29 Mar 2018, 22:48
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

91% (01:44) correct 9% (01:27) wrong based on 70 sessions

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Re: m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?  [#permalink]

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New post 29 Mar 2018, 23:03
m=10n
n=5p
replacing values in m/(n + p)
10*5p/(5p+p)=25/3
option B
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Re: m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?  [#permalink]

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New post 29 Mar 2018, 23:10
Bunuel wrote:
m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?

(A) 25/6
(B) 25/3
(C) 5/3
(D) 10
(E) 12



m/n=10
m= 10n

n/p = 5
p = n/5

m/(n+p) = 10n/(n+n/5) = 10n/( 6n/5) = 50/6 = 25/3
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m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?  [#permalink]

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New post 01 Apr 2018, 10:55
Bunuel wrote:
m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?

(A) 25/6
(B) 25/3
(C) 5/3
(D) 10
(E) 12


\(\frac{n}{p}\) = 5

\(\frac{n}{(n+p)}\) = \(\frac{5}{6}\)

Multiply both ratios:

\(\frac{n}{(n+p)}\)*\(\frac{m}{n}\) = \(\frac{m}{(n+p)}\) = \(\frac{5}{6}\)* 10 = \(\frac{25}{3}\)

Answer: B
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Re: m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?  [#permalink]

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New post 01 Apr 2018, 12:05
Bunuel wrote:
m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?

(A) 25/6
(B) 25/3
(C) 5/3
(D) 10
(E) 12

From the given details put all values in common term I.e. say “n” so m=10 n and p =n/5 and put in required expression
=10n/(n+n/5)
=10*5/(5+1)
=50/6
=25/3


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Re: m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?  [#permalink]

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New post 01 Apr 2018, 21:34
Bunuel wrote:
m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?

(A) 25/6
(B) 25/3
(C) 5/3
(D) 10
(E) 12


m/n = 10 = 20/2 = 30/3 = 40/4 = 50/5

n/p = 5/1

i.e. when n = 5, p = 1 and m = 50 hence

m/(n+p) = 50/(5+1) = 50/6 = 25/3

Answer: Option B
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Re: m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)? &nbs [#permalink] 01 Apr 2018, 21:34
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m/n = 10 and n/p = 5, where mn ≠ 0. What is the value of m/(n + p)?

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