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25 May 2021, 04:15
Kudos
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
57% (00:38) correct
43%
(00:39)
wrong
based on 132
sessions
History
Date
Time
Result
Not Attempted Yet
If x = √64, and y = x + 8, then y may be which of the following?
I. 0
II. 8
III. 16
A. I only
B. II only
C. III only
D. I and III only
E. I, II, and III
I. 0
II. 8
III. 16
A. I only
B. II only
C. III only
D. I and III only
E. I, II, and III
shubhs76
Joined: 20 Nov 2020
Last visit: 04 Apr 2023
Posts: 31
Given Kudos: 26
Location: India
Concentration: Marketing
Schools: HEC Jan 23 Intake (D) IE SDA Bocconi "24
GPA: 3
WE:Marketing (Telecommunications)
25 May 2021, 04:49
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Bookmarks
If x = √64, so x = +/-8.
If x=+8
Y= +8+8 = 16
If x=-8
Y= -8+8 = 0
So the answer is D
Posted from my mobile device
If x=+8
Y= +8+8 = 16
If x=-8
Y= -8+8 = 0
So the answer is D
Posted from my mobile device
Updated on: 02 Jun 2021, 00:09
Originally posted by Anisha1637 on 25 May 2021, 10:57.
Last edited by Anisha1637 on 02 Jun 2021, 00:09, edited 1 time in total.
Last edited by Anisha1637 on 02 Jun 2021, 00:09, edited 1 time in total.
Kudos
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from the question we can say x= +8 and not -8 because square root of a number if never negative
now putting the above values of x to find the value of y:
y= 8+8= 16
Hence C
now putting the above values of x to find the value of y:
y= 8+8= 16
Hence C
