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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
Domain of sin
θ
is
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Set of real numbers
Set of complex numbers
Set of natural numbers
Set of even numbers
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Question # 3
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Question # 4
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Question # 5
Area of the triangle whose vertices are (2,3),(0,1),(0,0) is
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6
2
4
1
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Question # 6
How many necklaces can be made from 6 beads of different colours?
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120
60
24
15
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Question # 7
We also the system of non-homogeneous linear equations by
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a and b
b and c
c and a
a, b and c
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Question # 8
Any recurring decimal represents a
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Irrational no
Integer
Rational no
None of these
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Question # 9
G is geometric mean between a and b if a, G, b is
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A.P.
G.P.
H.P.
None of these
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Question # 10
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Question # 11
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Question # 12
The sum of indicated terms of a sequence is called
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Arithmetic series
Series
Harmonic series
None of these
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Question # 13
Which one represents a sequence
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an
Sn
a(n)
{an}
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Question # 14
x
2
+ x - 5 = 0 is
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A polynomial
An inequality
An identity
None
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Question # 15
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2s
2
2s
3
s
3
3s
3
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Question # 16
The distance of a moving particle at any instant t is x = 3t2 +1 then velocity of particle at t = 10 is
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50 cm/sec
60 cm/sec
61 cm/sec
None of these
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Question # 17
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none of these
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Question # 18
The function ø(x) is ananti derivativeof function f (x),x∈Df if
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ø′(x) =∫f(x)dx
ø(x) =∫f(x)dx
ø′(x) =f(x)
ø(x) =∫′(x)dx
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Question # 19
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Question # 20
Let A and B be two sets. If every element of A is also an element of B then
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Question # 21
The exterior angle of the interior angle C of he quadrilateral whose vertices are A(5,2),B(-2,3),C(-3,-4),D(4,-5) is
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30°
60°
45°
90°
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Question # 22
The principal value of sin
-1
(-1/2)
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π/3
π/4
π/6
-π/6
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Question # 23
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Question # 24
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Question # 25
The maximum value of the quadratic function f(x) = -2x2+20x,is
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4
3
50
7
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Question # 26
The period of cot 8x is
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π/10
9π/7
π/9
π/8
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Question # 27
If -1 < x < 0, which of the following statements must be true?
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x < x
2
< x
3
x < x
3
< x
2
x
2
< x
3
< x
x
2
< x < x
3
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Question # 28
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Question # 29
The set of positive integers, 0 and negative integers is known as the set of
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Natural numbers
Rational numbers
All integers
Irrational numbers
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Question # 30
If | x | < 1, then the first two terms of (1 - x)
1/2
are
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Question # 31
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