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A number whose square is 4 less than twice the square of 10

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A number whose square is 4 less than twice the square of 10 [#permalink] New post   28 Dec 2020, 10:55
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Quantity A
Quantity B
A number whose square is 4 less than twice the square of 10
15



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

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B
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Re: A number whose square is 4 less than twice the square of 10 [#permalink] New post   29 Dec 2020, 00:09
1
x^2 + 4 = 200
x = 14

QA<QB

Hence B.
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Re: A number whose square is 4 less than twice the square of 10 [#permalink]
29 Dec 2020, 00:09
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