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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
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?
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x - y = -6
x - y < -6
x - y > -6
None
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Question # 4
For different values of k equation 4x+5y =k represents
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Parallel lines
Lines parallel to x -axis
Perpendicular lines
Lines parallel to y -axis
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Question # 5
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-x
Infinite set
{-4, 4}
None of these
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Question # 6
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Question # 7
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A
A'
U
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Question # 8
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0
1
1/2
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Question # 9
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Question # 10
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Question # 11
How many signals can be given by 5 flags of different colours, using 3 flags at a time
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120
60
24
15
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Question # 12
The solution of differential equation:
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dy/dx+y/x = x
2
is :
4xy = x
4
+ c
4x = x
4
= c
4 y = x
4
+ c
4x=4x
3
+ c
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Question # 13
The series obtained by adding the terms of an arithmetic sequence is called the
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Infinite series
Harmonic series
Geometric series
Arithmetic series
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Question # 14
The standard form of the quadratic function f(x) = -x
2
+4x+2, is
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(x-2)
2
+6
-(x-2)
2
+ 6
(x-3)
2
+5
(x+4)
2
-7
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Question # 15
The set of the first elements of the orders pairs forming a relations is called its
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Relation in B
Range
Domain
Relation in A
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Question # 16
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Question # 17
The period of the function csc x/4 us
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4x
Ï€/4
8Ï€
Ï€/8
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Question # 18
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1, 1/2, 0
1, 2, 1
1, 2, 3
1, 2, 0
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Question # 19
Matrices are represented by
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Natural numbers
Real numbers
Small letters
Capital letters
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Question # 20
The series obtained by adding the terms of a geometric sequence is called
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Infinite series
Arithmetic series
Geometric series
Harmonic series
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Question # 21
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 # 22
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Question # 23
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1
2
3
4
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Question # 24
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A = x, B = 1
A = 0, B = 2
A = -1, B = 1
A = x-1, B = x + 1
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Question # 25
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Question # 26
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Question # 27
The term involving x
4
in the expansion of (3 - 2x)
7
is
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120
1512
1250
15120
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Question # 28
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(g,f)
(-g,f)
(g,-f)
(-g,-f)
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Question # 29
A square is inscribed in the circle x
2
+ y
2
- 2x + 4y + 3 =0. Its sides are parallel to the co-ordinate axes. Then one vertex of the square is
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Question # 30
If 3x
4
+ 4x
3
+ x - 5 is divided by x + 1, then the reminder is
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0
7
-7
5
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Question # 31
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a
1
+ a
2
a
2
1
+ a
2
2
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