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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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Question # 3
Which of the following is the subset of all sets?
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Question # 4
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Question # 5
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Question # 6
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Question # 7
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[0,1[
[0, 1]
]0, 1[
None of these
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Question # 8
The radius of the circle (x - 1)
2
+ (y + 3)
2
= 61 is
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8
4
64
None of these
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Question # 9
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From an empty set
1
2
>2
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Question # 10
If a
n
= 2n -3, write the first four terms
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-3, -1, 1, 3
1, 3, 5, 7
-1, 1, 3, 5
None of these
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Question # 11
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none of these
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Question # 12
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Question # 13
cos
θ/2=
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Question # 14
Sin 50°-sin 70°+sin 10° is equal to
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1
0
1/2
2
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Question # 15
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 # 16
For two events A and B if P(A) = P (A/B) = 1/4 and P(B/A) = 1/2, then
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A is sub-event of B
A and B are mutually exclusive
A and B are independent and P(A/B) = 3/4
None of these
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Question # 17
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Question # 18
5x
3
+ 3x - is a ______
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Polynomial of degree 3
Polynomial of degree 2
Polynomial of degree 1
Polynomial of degree 0
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Question # 19
In the expansion of (a + x)
n
the general term T
r + 1
is
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Question # 20
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15
15 i
-15 i
-15
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Question # 21
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quadratic function
constant function
trigonometric function
linear function
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Question # 22
A chord passing through the centre of the circle is called
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the secant of the circle
the tangent of the circle
the arc of the circle
the diameter of the circle
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Question # 23
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Question # 24
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y/x
x/y
y/z
None
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Question # 25
Let the sequence 1, 2, 2, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, ..... where n consecutive terms have the value n, then 1025th term is
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2
9
2
10
2
11
2
8
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Question # 26
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Question # 27
If a,b,c are unit vectors then |a + b|2 +|a - b|2
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4
8ab
9cos
4(a,b)
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Question # 28
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Question # 29
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1
2
3
None of these
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Question # 30
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Question # 31
The numbers of G
1
, G
2
, G
3
...... G
n
are called n geometric means between a and b is a, G
1
, G
2,
G
3
, ... G
n
, b are in
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H.P.
A.P.
G.P.
None of these
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