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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
The solution of the quadratic equation x2 -7x + 10=0, is
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2
5
2,5
7
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Question # 2
The point of concurrency of the right bisectors of the sides of a triangle is called
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incentre
circum center
e-center
centroid
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Question # 3
Domain of cot
θ
is
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Question # 4
If the expansion of (1 + x)
20
, then co-efficient of rth ad (r + 4)th term are equal, then r is
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7
8
9
10
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Question # 5
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Question # 6
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56
7
8
8/7
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Question # 7
The integral of 3x
5
dx is:
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15 x
4
x
6
/2
1/6x
5
x
5
/ln3
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Question # 8
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7
5
6
None of these
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Question # 9
Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is
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0.28
0.13
0.12
0.42
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Question # 10
Each complex cube root of unity is square of
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itself
1
-1
the other
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Question # 11
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Question # 12
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Question # 13
Period of tan x is ______
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Question # 14
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5x
4 + c
1/6 x
6
+ c
5x
2
+ c
1/5 x
6
+ c
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Question # 15
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28 / 81
28 / 243
81 / 28
243 / 82
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Question # 16
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 # 17
IfΔABC is right, law of cosine reduce to
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Law of sine
Law of tangent
Phthogorous theorem
Hero's formula
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Question # 18
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Question # 19
If|a| =|b| = |a+b|=1, then|a-b| is equal to:
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1
√3
√2
7
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Question # 20
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Question # 21
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 # 22
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Question # 23
The third term of the sequence a
n
= (-1)
n-1
(n-7) is ______
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8
4
-4
8
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Question # 24
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1
-1
-1/2
1/2
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Question # 25
(ABC)' =
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CBA'
CBA
C'B'A
C'B'A'
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Question # 26
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Rule of quotient of fraction
Golden rule of fraction
Rule for product of fraction
Principle for equality of fraction
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Question # 27
Which one represents a sequence
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an
Sn
a(n)
{an}
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Question # 28
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Question # 29
The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called
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Linear Inequalities
Feasible regions
Half planes
Boundary
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Question # 30
There may be ______ feasible solution in the feasible region
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Infinite
Finite
Defined
None of above
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Question # 31
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