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Online Tests
Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The number of words that can be formed out of the letters of the word ASSASSINATION is
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Question # 2
The number of the diagonals of a 6 sided figure is
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15
21
9
6
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Question # 3
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Question # 4
The position vector of the point P(a, b, c) is
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Question # 5
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G.P
H.P.
A.P.
No particular sequence
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Question # 6
The domain of the principal tan function is
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Question # 7
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Question # 8
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A
-
A
t
-A
A
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Question # 9
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Question # 10
The common ration of a geometric sequence cannot be
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0
1
2
3
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Question # 11
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Question # 12
Roots of the equation x
2
+ 2x + 3 = 0 are
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Real and equal
Real and distinct
Complex
None of these
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Question # 13
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Question # 14
If a
1
= 3, r = 2, then the nth term of the G.P. is
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2.3
n-1
3.2
n
3.2
n+1
3.2
n-1
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Question # 15
Let A,B and C be any sets such that A∪B = A∪C and A∩ B = A∩ C then
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A = B
B = C
A≠ C
A ≠ B
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Question # 16
The angle between lines xy =0 is
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45°
60°
90°
180°
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Question # 17
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Question # 18
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none of these
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Question # 19
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Question # 20
Domain of cos
θ
is
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Set of odd numbers
Set of integers
Set of real numbers
Set of complex numbers
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Question # 21
The parabola y
2
= x is symmetric about
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x-axis
y-axis
Both x and y-axis
The line y = x
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Question # 22
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(3, 1, -2)
(3, -2, 1)
(2, -1, 3)
(-1, -2, -3)
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Question # 23
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none of these
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Question # 24
If 0 = {1,3,5.......}, then n (0) =
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99
odd integers
Even numbers
Infinite
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Question # 25
∀x,y,z ∈ R and z 0,then
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x > y ⇒ xz > yz
x<y ⇒ xz < yz
x < y ⇒ xz > yz
None of these
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Question # 26
i
is equal
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(1 , 0)
(0 , 1)
(1 , 1)
(0 , 0)
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Question # 27
A non-terminating non_recurring decimal represents an
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Irrational no
Both a & c
Rational no
None of these
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Question # 28
∀a,b, c ε R,a +c = b + c = > a = b
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Reflexive property
Symmetric property
Cancellations property w.r.t. addition
Transitive property
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Question # 29
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I
14 I
0
None of these
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Question # 30
∀ z ∈ C, multipliucative is
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(1,1)
(1,0)
(0,1)
None of these
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Question # 31
What is the number of elements of the power set of { }
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0
1
2
3
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