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Sub 505 Level|   Arithmetic|   Roots|      
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Bunuel
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Which of the following is closest to (8^2 − 4^2)^(1/2) ? 15 Oct 2019, 03:36
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B
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Difficulty:

5% (low)

Question Stats:

82% (00:40) correct 18% (00:48) wrong based on 367 sessions

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Which of the following is closest to \(\sqrt{8^2 − 4^2}\) ?

A. 4
B. 7
C. 9
D. 12
E. 16
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B
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KSBGC
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Which of the following is closest to (8^2 − 4^2)^(1/2) ? 15 Oct 2019, 03:42
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Bunuel
Which of the following is closest to \(\sqrt{8^2 − 4^2}\) ?

A. 4
B. 7
C. 9
D. 12
E. 16


Given

\(\sqrt{8^2 − 4^2}\)

\(\sqrt{(8+4)(8-4)}\)

\(\sqrt{48}\)

= 7

B is the option
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Which of the following is closest to (8^2 − 4^2)^(1/2) ? 15 Oct 2019, 04:50
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Bunuel
Which of the following is closest to \(\sqrt{8^2 − 4^2}\) ?

A. 4
B. 7
C. 9
D. 12
E. 16

Bunuel

I notice that you post new GMATprep questions. Are those produced those days by GMAC or old one but not posted on GMATCLub?
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Bunuel
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Which of the following is closest to (8^2 − 4^2)^(1/2) ? 15 Oct 2019, 04:52
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Mo2men
Bunuel
Which of the following is closest to \(\sqrt{8^2 − 4^2}\) ?

A. 4
B. 7
C. 9
D. 12
E. 16

Bunuel

I notice that you post new GMATprep questions. Are those produced those days by GMAC or old one but not posted on GMATCLub?

Those are old questions which we did not have.
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Which of the following is closest to (8^2 − 4^2)^(1/2) ? 15 Oct 2019, 08:09
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Bunuel
Which of the following is closest to \(\sqrt{8^2 − 4^2}\) ?

A. 4
B. 7
C. 9
D. 12
E. 16
\(\sqrt{8^2 − 4^2}\)

= \(\sqrt{64 − 16}\)

= \(\sqrt{48}\)

~ \(7\), Answer must be (B)
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Which of the following is closest to (8^2 − 4^2)^(1/2) ? 31 Jul 2022, 10:28
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