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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: 4488
Twice a number is 3 times the square of the number less than one. If  [#permalink]

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03 May 2016, 09:46
1
2
00:00

Difficulty:

95% (hard)

Question Stats:

32% (02:14) correct 68% (01:51) wrong based on 106 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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Re: Twice a number is 3 times the square of the number less than one. If  [#permalink]

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03 May 2016, 10:21
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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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, 21:53
Hi Mike.
Why can't it be interpreted as :
2x = 3(1-x^2)

Thanks.
Board of Directors
Status: QA & VA Forum Moderator
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Posts: 4230
Location: India
GPA: 3.5
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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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03 Sep 2018, 07:47
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

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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, 07:47
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Twice a number is 3 times the square of the number less than one. If

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