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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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4x + 1
4x
2x
3
none of these
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Question # 3
If c is a constant number and if f is the function defined by the equation f(x) =c for all values of x, then f is differentiable at every x and f is defined by the equation f(x)
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f
1
C
0
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Question # 4
The different of tan x is
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sec2 x
ln |sec x|
sec2 xdx
-cos ec2 x
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Question # 5
If y=f(x) is a function then x is called
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dependent variable
independent variable
constant
none of these
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Question # 6
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0
1
-1
undefined
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Question # 7
The seventh term of an A.P whose first term is P and common difference is q. is
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P-6q
P+6q
P-4q
P-nq
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Question # 8
If #n = (n-5)
2
+ 5, then find #3 x #4.
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54
12
4
9
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Question # 9
Minor of an element a
ij
is denoted by
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M
ij
A
ij
|A|
None of these
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Question # 10
If f(x) = x
3
- 2x
2
+ 4x -1 then f(0) is
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0
1
-1
none of these
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Question # 11
The area of a sector with central angle of 0.5 radians in a circular region whose radius is 2m is
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Question # 12
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Question # 13
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Question # 14
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Symmetric property
Cancellation property w.r.t. multiplication
Reflexive property
Transitive property
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Question # 15
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A parabola
An ellipse
A hyperbola
A circle
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Question # 16
graph of sine function is bounded between lines
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y± 1 = 0
x± 1 = 0
x± y - 0
None of these
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Question # 17
What is the period of tan 4/3 x =?
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Ï€/4
4Ï€/3
7Ï€/4
3Ï€/4
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Question # 18
The roots of the equation 2
2x
- 10.2
x
+ 16 = 0 are
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2, 8
1, 3
1, 8
2, 3
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Question # 19
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 # 20
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Question # 21
The domain the function : f(x) = x
2
is given by
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R
Set of all non-negative Real numbers
R
-1
None of these
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Question # 22
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a tan(ax + b) + c
- a tan(ax + b) + c
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Question # 23
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none of these
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Question # 24
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Conclusion
Implication
Antecedent
Hypothesis
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Question # 25
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(x
3
- 3x
2
)
8
+ c
3x
2
- 6x + c
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Question # 26
The first three terms in the expansion of (1 + x)
-1
are
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1 + x + x
2
1 - x - x
2
-1 -x + x
2
1 - x + x
2
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Question # 27
If a
1
, r and a
n
are the first term, common ratio and the nth term respectively of a G. P. then a
n
=
Choose an answer
a
1
r
n
a
1
r
n-1
a
1
r
n+1
a
1
r
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Question # 28
If A = |aij| is (m x n) matrix then transpose of A is of the order
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m x m
m x n
n x n
n x m
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Question # 29
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Question # 30
The parabola y2 + 2y + x = 0 lie in _____ quadrant.
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First
Second
Third
Fourth
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Question # 31
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