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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
Joined: 28 Dec 2011
Posts: 4473
Twice a number is 3 times the square of the number less than one. If  [#permalink]

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03 May 2016, 10:46
1
3
00:00

Difficulty:

95% (hard)

Question Stats:

30% (02:13) correct 70% (01:52) wrong based on 118 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
Magoosh Test Prep

Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)
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Joined: 11 Jun 2011
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Location: India
GPA: 3.5
Re: Twice a number is 3 times the square of the number less than one. If  [#permalink]

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03 May 2016, 11:21
2
1
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..

$$\frac{2}{3}$$ = $$1$$ -$$\frac{1}{3}$$

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Abhishek....

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Joined: 05 Apr 2018
Posts: 2
Re: Twice a number is 3 times the square of the number less than one. If  [#permalink]

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

Thanks.
Board of Directors
Status: QA & VA Forum Moderator
Joined: 11 Jun 2011
Posts: 4749
Location: India
GPA: 3.5
Re: Twice a number is 3 times the square of the number less than one. If  [#permalink]

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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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Thanks and Regards

Abhishek....

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

How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only )
Re: Twice a number is 3 times the square of the number less than one. If   [#permalink] 03 Sep 2018, 08:47
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