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Math Expert
Joined: 02 Sep 2009
Posts: 47219

If x + y/2 = z, what is the value of z ?
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11 Sep 2017, 00:35
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89% (00:37) correct 11% (00:44) wrong based on 28 sessions
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Joined: 02 Jul 2017
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Re: If x + y/2 = z, what is the value of z ?
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11 Sep 2017, 00:48
Given x+\(\frac{y}{2}\)=z Find z?
(1) x=\(\frac{5−y}{2}\)
Putting value of x in original equation => \(\frac{5−y}{2} +\frac{y}{2} = z\) => \(\frac{5y+y}{2} = z\) => \(\frac{5}{2} = z\) Answer
Sufficient
(2) x = 5 As we don't know y we cannot find value of z here. Not sufficient
Answer: A




Re: If x + y/2 = z, what is the value of z ? &nbs
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11 Sep 2017, 00:48






