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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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 # 2
The process of finding a function whose derivative is given is called a
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Differentiation
Integration
Differential
None
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Question # 3
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Rational
Irrational
Even
Odd
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Question # 4
If n is any positive integer then n! > 2
n-1
for
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Question # 5
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0
1
13
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Question # 6
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Question # 7
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(g,f)
(-g,f)
(g,-f)
(-g,-f)
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Question # 8
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-3
-7
1
0
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Question # 9
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Reflexive property
Symmetric property
Transitive property
Additive property
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Question # 10
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none of these
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Question # 11
{1, 2, 3} is _____
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an infinite set
A finite set
A singleton set
Universal set
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Question # 12
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none of these
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Question # 13
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 # 14
If (x
1
, y
1
) and (x
2
,
y
2
) are the end points of a diameter then the centre of the circle is
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Question # 15
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1, 2, 3
1, 5, 9
2, 5, 8
3, 6, 9
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Question # 16
(1, 2) is in the solution of the inequality
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2x + y > 8
2x + y
<
6
2x - y > 1
2x + 3y < 2
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Question # 17
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Parallel to the plane
At right angles to the plane
Lies in the plane
Meet the plane obliquely
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Question # 18
6 is
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A prime integar
An irrational number
A rational number
An odd integer
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Question # 19
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Question # 20
If S
r
denotes the sum of the first r terms of a G.P., then S
n
, S
2n
- S
n
, S
3n
- S
2n
are in
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A.P.
G.P.
H.P.
None of these
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Question # 21
If the domain of sequence is finite set then the sequence is called
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geometric sequence
infinite sequence
finite sequence
arithmetic sequence
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Question # 22
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Question # 23
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none of these
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Question # 24
i
=
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√1
√2
√-2
√-1
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Question # 25
A square matrix A = [aij] is upper triangular when
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cij = 0
bij = 0
aij = 0 for all i > j
dij = 0
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Question # 26
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sec x tan x
-cosec x cot x
sec
2
x
-sin x
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Question # 27
Range if y = cos x is
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-1≤ y≤ 1
-1 < y < 1
-∞ < x < +∞
None of these
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Question # 28
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Question # 29
√(-1b) =?
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b i
-i b
b2
i√b
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Question # 30
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Question # 31
A triangle which is not right is called an ______ triangle
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Acute
Obtuse
Oblique
None of these
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