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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The order of the matrix [1 2 3] is
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1 x 1
3 x 3
3 x 1
1 x 3
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Question # 2
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-3
-7
1
0
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Question # 3
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Question # 4
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Question # 5
Each point of the feasible region is called
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Solution
feasible solution
Both a & b
None
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Question # 6
In common logarithm the base is
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1
0
10
e
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Question # 7
Which one represents a sequence
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an
Sn
a(n)
{an}
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Question # 8
The point lying on the terminal rat of -270° is
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(1,0)
(0,-1)
(0,1)
(-1,0)
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Question # 9
The periods of the function f(x) = x[x] is
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1
2
Non periodic
None of these
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Question # 10
The middle term of [1/x-x]
10
is
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-152
-252
371
-421
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Question # 11
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Question # 12
sin (sin
-1
(1/2))=
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0
2
∞
1/2
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Question # 13
If a statement S(n) is true for n = i where i is some natural number and the truth of S(n) for n = k > i implies the truth of S(n) for n = k +1 then S(n) is true for all positive integers
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Question # 14
H.M. between 3 and 7 is
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Question # 15
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A
-A
A
t
A
-
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Question # 16
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Closure law of addition
Associative law of addition
Commutative law of multiplication
Associative law of multiplication
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Question # 17
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Question # 18
If the function y=2x -3, what is the preimage of 11?
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11
7
5
2
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Question # 19
Every subset of a finite set is
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Disjoint
Null
Finite
Infinite
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Question # 20
The velocity of a particle moving along a straight line is given by v = 3t + t
2
. The acceleration of the particle after 4 seconds from the start is
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4
11
26
None
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Question # 21
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0
abc
1/abc
None of these
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Question # 22
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square root function
identity function
linear function
quadratic function
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Question # 23
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I and II quadrants
I and III quadrants
II and III quadrants
II and IV quadrants
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Question # 24
A dice is rolled. The probability that the dots on the top are greater than 4 is
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1/6
1/3
1/2
1
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Question # 25
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Question # 26
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none of these
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Question # 27
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Question # 28
Range of 2 tan x is ______
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[-2, 2]
-1 < x < 1
R
None of these
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Question # 29
The minimum value of the quadratic function f(x) = x2 +6x -2, is
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11
6
-11
13
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Question # 30
What is the period of 5 cot x=?
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π
-π
π/2
2π
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Question # 31
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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