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22 Aug 2022, 01:30
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93% (00:48) correct
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If \(x + \frac{y}{2} = z\), what is the value of z ?
(1) \(x = \frac{(5 - y)}{2}\)
(2) x = 5
(1) \(x = \frac{(5 - y)}{2}\)
(2) x = 5
22 Aug 2022, 02:11
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x + y/2 = z
Multiplying both the sides by 2 we get ,
2x + y = 2z ................Eq 1
A)
x= (5-y)/2
Take 2 on other side to get eq 2x = 5-y ........ Eq 2
Substitute Eq 2 into Eq 1 , Y will cancel out and we can get exact value of z .
Hence sufficient
B ) We dont no value of Y .
Hence insufficient .
Multiplying both the sides by 2 we get ,
2x + y = 2z ................Eq 1
A)
x= (5-y)/2
Take 2 on other side to get eq 2x = 5-y ........ Eq 2
Substitute Eq 2 into Eq 1 , Y will cancel out and we can get exact value of z .
Hence sufficient
B ) We dont no value of Y .
Hence insufficient .
rashmi97621
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GRE 1: Q162 V165
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22 Aug 2022, 08:23
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We need values of x and y to find z.
1) 2x=5-y
z-y=5-y
z=5 Sufficient
2) x=5 But we still don't know y So not sufficient
Hence A
1) 2x=5-y
z-y=5-y
z=5 Sufficient
2) x=5 But we still don't know y So not sufficient
Hence A
