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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The sum of first 60 natural numbers is
Choose an answer
1830
3660
1640
1770
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Question # 2
(ABC)' =
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CBA'
CBA
C' B' A'
None of these
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Question # 3
Period of Tangent function is
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0°
-
π
π
2
π
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Question # 4
If the angle between two vectors with magnitude 6 and 2 is 60° when their scalar product is
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12
6
3
0
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Question # 5
The set of integers is a subset of
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The set of natural numbers
The set of whole numbers
The set of prime numbers
The set of rational numbers
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Question # 6
The function discontinuous at x = 0 is (1) tan x (II) cot x (III) sec x (iv)cosec x)
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I & III
I & IV
II & IV
II & III
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Question # 7
y=0 of the parabola y
2
= 4ax is the
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equation of directirx
Equatio of the tangent
Equation of axis
equation of latus rectum
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Question # 8
H.M. between 3 and 7 is
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Question # 9
The number of solution of the equation tan x + sec x = 2 cos x lying in the interval [0, 2
π
] is
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0
1
2
3
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Question # 10
The point R dividing internally the line joining the points P(x
1
, y
1
) and Q(x
2
, y
2
) in the ratio K
1
: K
2
has the coordinates
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Question # 11
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Question # 12
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Question # 13
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-1
0
1
None of these
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Question # 14
The range of the principle cos function is
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Question # 15
A function from X to X is denoted as
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f : X to Y
f : Y to Y
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Question # 16
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Question # 17
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-3 -2i
3 +2i
1 + 2i
1 - 2i
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Question # 18
Zero is
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An irrational number
A rational number
A negative integer
A positive number
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Question # 19
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Rational fraction
Proper fraction
Improper rational fraction
None of these
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Question # 20
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6, -12, -18
-6, 4, 9
-6, -4, -9
-6, 12, 18
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Question # 21
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Question # 22
the largest degree of the terms in the polynomials is called
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terms of the polynomial
degree of a polynomial
co-efficient
monomial
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Question # 23
The 60th part of one minute is called
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Degree
Second
Radiam
None of these
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Question # 24
The matrix A is Hermitian when (A)' =
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A
-A
A
A'
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Question # 25
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1
-1
-1/2
1/2
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Question # 26
The parametric equations of a circle are
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Question # 27
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Question # 28
The slope of y-axis is
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0
undefined
1
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Question # 29
In R the right cancellation property w.r.t. addition is
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Question # 30
The set (Z, +) forms a group
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Forms a group w.r.t addition
Forms a group w.r.t multiplication
Non commutative group w.r.t multiplication
Doesn't form a group
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Question # 31
sin (sin
-1
(1/2))=
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0
2
∞
1/2
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