Entry Test MCQ :: Basic Algebra

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If x = 5 y=4 z=3 then which of the following is true? (I) x+y+z = 11 (II) x+y-z = -6 (III) x+Y+z = 12 (IV) -x+y-z = -4

[A].	I and II	[B].	III and IV
[C].	all	[D].	none

Answer: Option B

Shafqat said:

The answer shuld be D if x=5 y=4 z= 3 then x+y-z= -4 5+4-3= -4 5 is not equal to 4 so IV is incorrect