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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
5x
3
+ 3x - is a ______
Choose an answer
Polynomial of degree 3
Polynomial of degree 2
Polynomial of degree 1
Polynomial of degree 0
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Question # 2
The graph of y < 2 is the
Choose an answer
Left half plane
upper half plane
Right half plane
Lower half plane
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Question # 3
The radius of the circle (x - 1)
2
+ (y + 3)
2
= 61 is
Choose an answer
8
4
64
None of these
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Question # 4
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Question # 5
Domain of 2 cos x is ______
Choose an answer
[-2, 2]
R
Negative real numbers
None of these
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Question # 6
The approximate increase in the area of a circular disc if its diameter increased form 44cm to 44.4cm is
Choose an answer
0.4cm
8.8πcm
17.6 πcm
35.2πcm
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Question # 7
The order of the matrix A is 3 x 2 and that of B is 2 x 3. The order of the matrix BA is
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3 x 3
3 x 2
2 x 5
5 x 2
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Question # 8
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Question # 9
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0
undefined
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Question # 10
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Question # 11
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Question # 12
w
-1
= ______
Choose an answer
0
1
w
w
2
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Question # 13
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Question # 14
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Question # 15
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Question # 16
If A=B, then
Choose an answer
A⊂B and B⊂A
A⊆B and B⊈A
A⊆B and B⊆A
None of these
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Question # 17
The sum of the focal distance from any point on the ellipse 9x2 +16y2 =144 is
Choose an answer
32
16
18
8
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Question # 18
If sin (
π
cos
θ
) = cos (
π
sin
θ
), then which of the following is correct?
Choose an answer
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Question # 19
Choose an answer
1/2
2
1/4
4
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Question # 20
Choose an answer
45°
30°
75°
60°
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Question # 21
The range of function f(x)=-x2+2x-1 is
Choose an answer
R
(-∞,0]
(-∞,1]
[0,∞)
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Question # 22
Choose an answer
Principle of equality of fractions
Rule for product of fractions
Golden rule for fractions
Rule for quotient of fractions
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Question # 23
Choose an answer
8
1/56
56
None of these
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Question # 24
cos
-1
(cos x) =
Choose an answer
x
cos x
x = 1/x
cos
-2
x
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Question # 25
Choose an answer
Polynomial of degree 0
Polynomial of degree 2
Quadratic equation
None of these
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Question # 26
1+3x+6x2 +10x3 +....=
Choose an answer
(1+x)-3
(1-x)-2
(1-x)-3
(1+x)-2
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Question # 27
The function f{(x, y) | y = ax
2
+ bx + c} is
Choose an answer
One-one function
Constant function
Onto function
Quadratic function
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Question # 28
Number of ways of writing the letters of WORD taken all at a time is
Choose an answer
24
4
12
6
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Question # 29
The set X is
Choose an answer
Proper Subset of X
Not A subset of X
Improper Subset of X
None of these
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Question # 30
Choose an answer
none of these
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Question # 31
x is a member of the set [-1, 0, 3, 5] y is a member of the set {-2, 1, 2, 4} which is possible?
Choose an answer
x - y = -6
x - y < -6
x - y > -6
None
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