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

Show Answer

Answer=Option B

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