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Twice a number is 3 times the square of the number less than one. If

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Magoosh GMAT Instructor
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Twice a number is 3 times the square of the number less than one. If  [#permalink]

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New post 03 May 2016, 10:46
1
2
00:00
A
B
C
D
E

Difficulty:

  95% (hard)

Question Stats:

38% (01:37) correct 63% (01:36) wrong based on 96 sessions

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Twice a number is 3 times the square of the number less than one. If the number is positive, what is the value of the number?

(A) 1

(B) 1/2

(C) 1/3

(D) 2/3

(E) 3/2


Word problems are tricky, and it can be especially tricky to translate from words to math. For a discussion of this topic, as well as the OE for this particular question, see:
Intro to GMAT Word Problems, Part 1: Translating from Word to Math

Mike :-)

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Mike McGarry
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Re: Twice a number is 3 times the square of the number less than one. If  [#permalink]

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New post 03 May 2016, 11:21
2
mikemcgarry wrote:
Twice a number is 3 times the square of the number less than one. If the number is positive, what is the value of the number?

(A) 1

(B) 1/2

(C) 1/3

(D) 2/3

(E) 3/2


Word problems are tricky, and it can be especially tricky to translate from words to math. For a discussion of this topic, as well as the OE for this particular question, see:
Intro to GMAT Word Problems, Part 1: Translating from Word to Math

Mike :-)


\(2x\) = \(1\) - \(3x^2\)

Now, try to solve using the options , its only a 30 seconds job..

\(\frac{2}{3}\) = \(1\) -\(\frac{1}{3}\)

Answer will definitely be (C)
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Re: Twice a number is 3 times the square of the number less than one. If  [#permalink]

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New post 02 Sep 2018, 22:53
Hi Mike.
Why can't it be interpreted as :
2x = 3(1-x^2)

Thanks.
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Re: Twice a number is 3 times the square of the number less than one. If  [#permalink]

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New post 03 Sep 2018, 08:47
apoorvasharma13 wrote:
Hi Mike.
Why can't it be interpreted as :
2x = 3(1-x^2)

Thanks.

It is given - 3 times the square of the number less than one.
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Abhishek....

PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS

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Re: Twice a number is 3 times the square of the number less than one. If &nbs [#permalink] 03 Sep 2018, 08:47
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