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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
A
B
A'B'
B'A
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Question # 2
If the angle between two vectors
u
and
v
is 0 orπ, then the vectors
u
and
v
are:
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Orthogonal
Collinear
Perpendicular
None of these
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Question # 3
i
3
=
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-1
i
-i
1
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Question # 4
The distance of the point (-2,3) from x-axis is
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-2
2
3
1
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Question # 5
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Question # 6
Identity w.r.t intersection in a power set of any set is
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∅
Set itself
Singleton set
{0}
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Question # 7
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y : x
x : y
-y : x
-x : y
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Question # 8
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cos 2x
2 cos 2x
2 sin2x
-2 cos2x
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Question # 9
f(x) = ax + b will be a constant function if
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a = 1 , b = 1
a = 1 , b = 0
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Question # 10
The square of the distance between two points P(x
1
, y
1
) and Q(x
2
, y
2
) is
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Question # 11
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image
pre-image
constant
none of these
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Question # 12
The set of all antiderivaties of f(= ∫f(x)dx) is the
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Definite integral
Indefinite integral
Integral
Area
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Question # 13
A triangle has ____ elements
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3
4
5
6
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Question # 14
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Question # 15
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Associative property of addition
Associative property of multiplication
Commutative property of addition
Commutative property of multiplication
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Question # 16
(0,0) is in the solution of the inequality
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x + y > 3
x - y > 2
3x + 2y > 5
3x - 2y < 2
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Question # 17
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Question # 18
Matrices are represented by
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Natural numbers
Real numbers
Small letters
Capital letters
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Question # 19
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A,. B, C are coincident
A, B, C are collinear
Both A and B
None of these
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Question # 20
tan270° =__________;
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0
1
-1
Undefined
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Question # 21
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a cosec(ax + b) + c
- a cosec(ax + b) + c
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Question # 22
Cos
-1
12/13 =
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tan
-1
3/5
cot
-1
13/12
Sec
-1
13/12
sin
-1
5/13
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Question # 23
If the graph of f is entirely below the x-axis, then the value of definite integral is
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= 0
< 0
> 0
None
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Question # 24
A non-homogeneous linear system AX = B has no solution if
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|A| = 0
|A|≠ 0
Rank (a) = no of variables
Rank > no of variables
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Question # 25
Range of 3 cot x is ______
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[-1, 1]
[-3, 3]
R
None of these
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Question # 26
The coordinates of a point P(x,y) referred to XY-system are
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(x+y,y+k)
(x-h,y-k)
(x,y)
(x-h,y-k)
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Question # 27
A class contains nine boys and three girls, in how many ways can the teacher choose a committee of four?
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460
495
272
60
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Question # 28
i
2
=
Choose an answer
1
2
-1
0
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Question # 29
For n€ N,2
n>2
> n is to only when
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n<2
n≤ 4
n≥ 4
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Question # 30
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2, 3
3, 3
2, 6
2, 4
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Question # 31
Sin h
-1
x = _________
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