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# The cost price of m articles is the same as the selling price of n

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Math Expert
Joined: 02 Sep 2009
Posts: 60627
The cost price of m articles is the same as the selling price of n  [#permalink]

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07 Nov 2019, 02:09
00:00

Difficulty:

45% (medium)

Question Stats:

64% (01:54) correct 36% (02:30) wrong based on 25 sessions

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The cost price of $$m$$ articles is the same as the selling price of $$n$$ articles. If the profit is 200% then what is the value of $$n$$ in terms of $$m$$?

A. $$3m$$

B. $$\frac{3}{m}$$

C. $$2m$$

D. $$\frac{m}{2}$$

E. $$\frac{m}{3}$$

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Senior Manager
Joined: 25 Jul 2018
Posts: 478
Re: The cost price of m articles is the same as the selling price of n  [#permalink]

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07 Nov 2019, 02:31
1
Let x be the cost price per article
Let y be the selling price per article

—> mx= ny
my— mx = 2mx
my = 3mx
—> y = 3x

—> mx = 3nx
m = 3n
—>$$n= (\frac{m}{3})$$

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Re: The cost price of m articles is the same as the selling price of n   [#permalink] 07 Nov 2019, 02:31
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