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22 Jul 2020, 04:38
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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:
90% (00:59) correct
10%
(01:04)
wrong
based on 300
sessions
History
Date
Time
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Not Attempted Yet
What is the value of v^3 - k^3 ?
(1) vk > 0
(2) v - k = 6
(1) vk > 0
(2) v - k = 6
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yashikaaggarwal
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22 Jul 2020, 05:00
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To find : The value of v^3 - k^3 = ?
(1) vk > 0
V and K can be either positive or negative, ranging from 1 to infinity on both side of number line.
(insufficient)
(2) v - k = 6
There are many possible combination with the given equation to determine one possible answer.
(insufficient)
Combining both : let v and k are positive integers
7-1 = 6, 8-2 = 6, ......... there are many possible combinations as the case with negative integers.
(insufficient)
IMO E
(1) vk > 0
V and K can be either positive or negative, ranging from 1 to infinity on both side of number line.
(insufficient)
(2) v - k = 6
There are many possible combination with the given equation to determine one possible answer.
(insufficient)
Combining both : let v and k are positive integers
7-1 = 6, 8-2 = 6, ......... there are many possible combinations as the case with negative integers.
(insufficient)
IMO E
22 Jul 2020, 07:12
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Bunuel
target value of v^3 - k^3
#1
vk > 0
i.e both v & k are either both + or -ve ; insufficient
#2
v-k=6
k can be -ve and v can be + or v is >k and both are +ve
insufficient
from 1 &2
both v&k are +ve but many values of v & k possible viz . ( 8,2) ; (10,4) ...
insufficient
OPTION E
