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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Every prime number is also
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Rational number
Even number
Irrational number
Multiple of two numbers
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Question # 2
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Question # 3
A square matrix A = [aij] is lower triangular matrix when:
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aij = 0 for all i < j
bij = 0
cij = 0
dij =0
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Question # 4
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Only one real solution
Exactly three real solution
Exactly one rational solution
Non-real roots
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Question # 5
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none of these
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Question # 6
sin (2
π
-
θ
)
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cos
θ
sin
θ
tan
θ
-sin
θ
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Question # 7
If A and B are two sets then any subset R of B x A is called
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relation on A
relation on B
relation from A to B
relation from B to A
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Question # 8
If n is any positive integer ,t hen 2+4+6+......+2 n=
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2
n
-1
2
n
+1
n
2
+1
n(n+1)
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Question # 9
The ortho center of triangle whose vertices are (0,0)(3,0)(0,4) is
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(0,0)
(1,1)
(2,2)
(3,3)
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Question # 10
Which term of the A.P 5,8,11,24.............is 320
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104th
106th
105th
64th
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Question # 11
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none of these
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Question # 12
45° = ______
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Question # 13
Which of the following us a scalar
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displacement
velocity
acceleration
density
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Question # 14
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Question # 15
If #n = (n-5)
2
+ 5, then find #3 x #4.
Choose an answer
54
12
4
9
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Question # 16
Choose an answer
-sin
θ
cos
θ
sin
θ
-cos
θ
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Question # 17
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Question # 18
If x < y, 2x = A, and 2y = B, then
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A = B
A < B
A < x
B < y
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Question # 19
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b = c
a = c
a = c
b = 0
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Question # 20
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Question # 21
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Natural numbers
Whole numbers
Integers
Rational numbers
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Question # 22
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π
π / 2
π / 3
π / 4
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Question # 23
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1
0
5
2
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Question # 24
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Right angled
Obtuse angled
Isosceles
Equilateral
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Question # 25
The numbers of G
1
, G
2
, G
3
...... G
n
are called n geometric means between a and b is a, G
1
, G
2,
G
3
, ... G
n
, b are in
Choose an answer
H.P.
A.P.
G.P.
None of these
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Question # 26
cos 315° = ______
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Question # 27
The set of rational numbers is subset of
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The set of natural numbers
The set of real numbers
The set of integers
The set of whole numbers
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Question # 28
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Question # 29
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Question # 30
We also the system of non-homogeneous linear equations by
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a and b
b and c
c and a
a, b and c
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Question # 31
The eccentricity of ellipse becomes zero, then it takes the form of:
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a parabols
a straight line
a circle
None of these
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