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If 2x(5n) = t, whatis the value of t?

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If 2x(5n) = t, whatis the value of t?  [#permalink]

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New post 29 Jan 2014, 01:13
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The Official Guide For GMAT® Quantitative Review, 2ND Edition

If 2x(5n) = t, what is the value of t?

(1) x= n+ 3
(2) 2x = 32

Data Sufficiency
Question: 61
Category: Algebra First- and second-degree equations
Page: 157
Difficulty: 600

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Re: If 2x(5n) = t, whatis the value of t?  [#permalink]

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New post 29 Jan 2014, 01:13
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Re: If 2x(5n) = t, whatis the value of t?  [#permalink]

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New post 29 Jan 2014, 01:47
From question stimulus:10nx=t
From S1:x=n+3.Insufficient as we want absolute value of both n and x.
From S2:x=16.Insufficient as it doesn't provide value of n
Combining the 2 statements,we get x=16 and n=13.Hence,we can find out t.
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Re: If 2x(5n) = t, whatis the value of t?  [#permalink]

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New post 12 Nov 2017, 07:39
dreambig1990 wrote:
If 2x (5n) = t, what is the value of t?

(1) x = n + 3
(2) 2x = 32


We are given that 2x(5n) = t or 10xn = t, and we need to determine the value of t.

Statement One Alone:

x = n + 3

Since we cannot determine values for any of our variables, statement one alone is not sufficient to answer the question.

Statement Two Alone:

2x = 32

We see that x = 16; however, we still cannot determine the value of t since we don’t know the value of n. Statement two alone is not sufficient to answer the question.

Statements One and Two Together:

Using our two statements, we see that:

16 = n + 3

13 = n

Thus:

2(16)(5)(13) = t

Answer: C
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Re: If 2x(5n) = t, whatis the value of t? &nbs [#permalink] 12 Nov 2017, 07:39
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