A.I and II
B.III and IV
C.all
D.none
Show AnswerAnswer=Option B
ECAT Math
(a+b)2 + (a-b)2 =
A.2(a2+b2)
B.2(a2+2b2)
C.4ab
D.4(a+b)
E.2(a2+b2)
Show AnswerAnswer=Option A
(x2yz + xy2z + xyz2) / xyz
A.xy+xy+yz
B.xy+yz+zx
C.x+y+z
D.x2+y2+z2
E.(x+y+z)/xyz
Show AnswerAnswer=Option C
If a x 51 x 48 x 54 = 16 x 17 x 18 then a =
A.1 ? 27
B.1 ? 250
C.25
D.27
E.500
Show AnswerAnswer=Option A
If b = -3 and a = 2 then a2 + b2 + 2ab = ?
A.?17
B.?16
C.?7
D.16
E.17
Show AnswerAnswer=Option A
If 9/a = 7/a2 then a = ?
A.7 ? 9
B.9 ? 7
C.7
D.9
E.63
Show AnswerAnswer=Option A
(ab x (a+b)))/(1/a+1/b) = ? If a = 1 b = 2
A.3 ? 8
B.8 ? 4
C.11 ? 8
D.8 ? 2
E.9 ? 2
Show AnswerAnswer=Option D
(a+b)2 + (b+c)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
E.none
Show AnswerAnswer=Option A
(8/Z)+(6/Z) x (40/Z) =? If Z=2
A.27
B.32
C.40
D.60
E.64
Show AnswerAnswer=Option E
4×2 + 16x + 36 is equivalent to______?
A.4(x2+4x+4)
B.4(x+4) (x+4)
C.4x (x+4+9)
D.4 (x2+4x+9)
E.4 (x2+6x+9)
Show AnswerAnswer=Option D