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
Algebra MCQS: Algebra is one of the broad parts of mathematics, together with number theory, geometry, and analysis. In its most general form, algebra is the study of mathematical symbols and the rules for manipulating these symbols; it is a unifying thread of almost all of mathematics. Algebra in FPSC, BPSC,PPSC,SPSC,KPPSC, NTS,PTS,OTS,CTS,CTSP.
A. I and II
B. III and IV
C. all
D. none
A. 2(a2+b2)
B. 2(a2+2b2)
C. 4ab
D. 4(a+b)
A. xy+xy+yz
B. xy+yz+zx
C. x+y+z
D. x2+y2+z2
A. 1 / 27
B. 1 / 250
C. 25
D. 27
A. 17
B. 16
C. 7
D. 16
A. 7 / 9
B. 9 / 7
C. 7
D. 9
A. 3 / 8
B. 8 / 4
C. 11 / 8
D. 8 / 2
A. a2 + 2b2 + 2ab + c2 + 2bc
B. a2 + b2 + c2 + 2ab + 2bc
C. a2 – b2 + c2 + 2ab + 2bc
D. 2a2 + 2b2 + 2c2 + ab + bc
A. 12
B. 34
C. 64
D. 74
A. 4(x2+4x+4)
B. 4(x+4) (x+4)
C. 4x (x+4+9)
D. 4 (x2+4x+9)