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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The last term of (1+2x)-2
Choose an answer
(-1)-2 (2x)-2
(-1)-4(-2x)-2
(-1)-3(2x)-3
Does not exist
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Question # 2
Choose an answer
n!
0!
1
None of these
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Question # 3
If for the matrix A, A
5
= I, then A
-1
=
Choose an answer
A
2
A
3
A
None of above
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Question # 4
The function f{(x, y) | y = ax
2
+ bx + c} is
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One-one function
Constant function
Onto function
Quadratic function
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Question # 5
Choose an answer
sec x tan x
cos
2
x
sin
2
x
sec
2
x
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Question # 6
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Question # 7
(2.02)4 s equal to
Choose an answer
16
16.6496
17
18
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Question # 8
In a triangle if a > 45°,β > 30° then y cannot be
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90°
100°
10°
120°
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Question # 9
A non-terminating non_recurring decimal represents an
Choose an answer
Irrational no
Both a & c
Rational no
None of these
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Question # 10
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(g,f)
(-g,f)
(g,-f)
(-g,-f)
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Question # 11
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30°
45°
60°
120°
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Question # 12
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Question # 13
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4
6
8
10
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Question # 14
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Question # 15
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Question # 16
Which of the following sets is finite
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The set of natural numbers between 3 and 10
The set of rational numbers between 3 and 10
The set of real numbers between 0 and 1
The set of rational numbers between 0 and 1
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Question # 17
Name the property used in 1000 x 1 = 1000
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additive inverse
multiplicative inverse
additive identity
multiplicative identity
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Question # 18
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Question # 19
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Associative law of addition
Commutative law of addition
Additive identity
Closure law of addition
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Question # 20
One degree is denoted by
Choose an answer
1
0
1'
1"
1 rad
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Question # 21
In-radius is denoted by
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r
η
r2
R
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Question # 22
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Question # 23
∀a,b,c∈R and c>0,then
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a>b ⇒ ac < bc
a>b ⇒ ac > bc
a<b ⇒ ac > bc
None of these
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Question # 24
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Question # 25
The square root of every incomplete square is an
Choose an answer
Rational numbers
Even numbers
odd numbers
Irrational numbers
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Question # 26
The coordinates of a point P(x,y) referred to XY-system are
Choose an answer
(x+y,y+k)
(x-h,y-k)
(x,y)
(x-h,y-k)
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Question # 27
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Question # 28
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Question # 29
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Question # 30
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Question # 31
x
2
+ x - 6 = 0 is
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An equation
An identity
A polynomial
None of these
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