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23 Jun 2020, 06:49
Kudos
Bookmarks
E
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:
84% (00:35) correct
16%
(00:41)
wrong
based on 56
sessions
History
Date
Time
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Not Attempted Yet
Which of the following is a possible value of k for which \(\frac{-24}{\sqrt{k}}\) is an integer ?
I. 9
II. 16
III. 64
A. I only
B. II only
C. I and II only
D. II and III only
E. I, II, and III
I. 9
II. 16
III. 64
A. I only
B. II only
C. I and II only
D. II and III only
E. I, II, and III
23 Jun 2020, 06:59
Kudos
Bookmarks
-24 is also 3*8 or 6*4 or 12*2 or 24*1
So it could be any of the numbers
64 root is 8
16 root is 4
9 root is 3
Posted from my mobile device
So it could be any of the numbers
64 root is 8
16 root is 4
9 root is 3
Posted from my mobile device
23 Jun 2020, 07:14
Kudos
Bookmarks
Answer - E
We can plug in the value of K
√9 = 3
√16= 4
√64 = 8
-24 is divisible by 3 , 4 and 8.
We can plug in the value of K
√9 = 3
√16= 4
√64 = 8
-24 is divisible by 3 , 4 and 8.
