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18 Sep 2019, 01:07
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
86% (01:04) correct
14%
(01:24)
wrong
based on 63
sessions
History
Date
Time
Result
Not Attempted Yet
\(\sqrt{96} + \sqrt{150} =\)
A. \(9 \sqrt{6}\)
B. 36
C. \(20 \sqrt{6}\)
D. \(\sqrt{246}\)
E. 54
A. \(9 \sqrt{6}\)
B. 36
C. \(20 \sqrt{6}\)
D. \(\sqrt{246}\)
E. 54
Source: McGraw-Hill's GMAT (1-30)
18 Sep 2019, 01:26
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SajjadAhmad
\(\sqrt{96} + \sqrt{150} =\)
A. \(9 \sqrt{6}\)
B. 36
C. \(20 \sqrt{6}\)
D. \(\sqrt{246}\)
E. 54
A. \(9 \sqrt{6}\)
B. 36
C. \(20 \sqrt{6}\)
D. \(\sqrt{246}\)
E. 54
Source: McGraw-Hill's GMAT (1-30)
Given,
\(\sqrt{96} + \sqrt{150}\)
\(\sqrt{16*6} + \sqrt{25*6}\)
= 4\(\sqrt{6}\) + 5\(\sqrt{6}\)
= 9\(\sqrt{6}\)
A is the best answer.
General Discussion
18 Sep 2019, 01:40
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Estimate this:
= 96^1/2 + 150^1/2
= approx. 100^1/2 + 144^1/2
= 10 + 12 = 22.xx
B,C,E are clearly out.
D 246^1/2 < 289^1/2=17 is also out.
A is the answer.
Posted from my mobile device
= 96^1/2 + 150^1/2
= approx. 100^1/2 + 144^1/2
= 10 + 12 = 22.xx
B,C,E are clearly out.
D 246^1/2 < 289^1/2=17 is also out.
A is the answer.
Posted from my mobile device
