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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Choose an answer
3/4
r
v
None of these
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Question # 2
45° = ______
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Question # 3
Domain of sin
θ
is
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Set of real numbers
Set of complex numbers
Set of natural numbers
Set of even numbers
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Question # 4
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none of these
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Question # 5
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Question # 6
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0
-1
1
1/2
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Question # 7
The set of real numbers is a subset of
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The set of natural numbers
The set of rational numbers
The set of integers
The set of complex numbers
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Question # 8
Choose an answer
6x + 2 + c
6x + x
2
+ c
6x
3
+ x
2
+ x
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Question # 9
If A and B are two sets then intersection of A and B is denoted by
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Question # 10
If a (p + q)
2
+ bpq +c = 0 and a (p + r)
2
+ 2 bpr + c = 0, then qr equals
Choose an answer
p
2
+ c/a
p
2
+ a/c
p
2
+ c/a
p
2
- c/a
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Question # 11
Choose an answer
1
-i
i
0
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Question # 12
For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?
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(3, 2)
(2, 3)
(1, 8)
(0, 3)
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Question # 13
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Question # 14
Cos 0° = ______
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-1
0
1
Undefined
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Question # 15
If there is one-one correspondence between A and B, then we write.
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A = B
A⊆ B
A⊇ B
A ∼ B
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Question # 16
The equation of vertical asymptotes of y = cos ecx is
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x = 0
y = 0
x =∞
y =∞
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Question # 17
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Question # 18
If a is any real number and a = a is called
Choose an answer
symmetric property
Trichotomy Properties
Transitive Property
Reflexive Properties
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Question # 19
Multiplicative inverse of "1" is
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+- 1
0
1
None of these
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Question # 20
The vertex of the graph of the quadratic function f(x) = x2 -10, is
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(0 , -10)
(-10,0)
(10,0)
(0,10)
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Question # 21
The period of cot 8x is
Choose an answer
π/10
9π/7
π/9
π/8
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Question # 22
If -1 < x < 0, which of the following statements must be true?
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x < x
2
< x
3
x < x
3
< x
2
x
2
< x
3
< x
x
2
< x < x
3
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Question # 23
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Question # 24
Choose an answer
A
2
- 5A + 7I = 1
2A
2
- 3A + 7I = 0
A
2
- 5A + I = 0
A
2
- 5A + 7I = 0
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Question # 25
The distance of the point (2,3) from origin is
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5
2
3
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Question # 26
The common point to four standard parabolas
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Focus
Centre
Vertex
P(x,y)
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Question # 27
The solution of the equation cos
2
θ
+ sin
θ
+ 1 = 0 lies in the interval
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Question # 28
a >b, b >c ⇒a >c is a
Choose an answer
Multiplicative property
Additive property
Trichotomy property
Transitive property of inequality
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Question # 29
If the matrices A and B are conformable for multiplication then (AB)
t
= ______
Choose an answer
AB
A
t
B
t
B
t
A
t
A
t
B
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Question # 30
If n(X) = 18, n(X∩Y) = 7, n(X∪ Y) = 40 then n(Y) =
Choose an answer
1
12
5
29
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Question # 31
The function sine and Cosine have the closed internal as their range
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[1, 0]
[-1, 1]
[0, 1]
[-1, 2]
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