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10 Oct 2023, 01:30
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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:
15%
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Question Stats:
80% (01:13) correct
20%
(01:12)
wrong
based on 109
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What is the value of \(\frac{x^2}{y}\)?
(1) \(x^2y = 4\)
(2) \(y^2 = 4 \)
(1) \(x^2y = 4\)
(2) \(y^2 = 4 \)
10 Oct 2023, 02:27
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Asked: \(\frac{x^2}{y}\) = ?
Statement 1: \(x^2\)y = 4
NS
Statement 2: \(y^2\) = 4
NS
On combining --> On diving statement 1 by statement 2, we get \(\frac{x^2}{y}\) as 1. Sufficient.
Answer: C.
Statement 1: \(x^2\)y = 4
NS
Statement 2: \(y^2\) = 4
NS
On combining --> On diving statement 1 by statement 2, we get \(\frac{x^2}{y}\) as 1. Sufficient.
Answer: C.
19 Dec 2023, 10:05
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Is the answer should be E?
Diving statement 1 with statement 2, we will get:
) x^2 y = 4 >square these figures > x^4 y^2 = 16 > x^4 4 = 16 > x^4 = 4 > x^2 = +-2
Statement 2: y^2 = 4 > y = +-2
Insert to the x^2 / y = +-2 / +-2
There are two options
(1) +2 / -2 or -2 / +2 = the answer will be -1
(2) +2 / +2 or -2 / -2 = the answer will be 1
Hence, it gives multiple answer, the answer is E
Diving statement 1 with statement 2, we will get:
) x^2 y = 4 >square these figures > x^4 y^2 = 16 > x^4 4 = 16 > x^4 = 4 > x^2 = +-2
Statement 2: y^2 = 4 > y = +-2
Insert to the x^2 / y = +-2 / +-2
There are two options
(1) +2 / -2 or -2 / +2 = the answer will be -1
(2) +2 / +2 or -2 / -2 = the answer will be 1
Hence, it gives multiple answer, the answer is E
