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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
The minimum value of the quadratic function f(x) = 5 x 2-11,is
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7
-7
6
-11
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Question # 2
If b
2
- 4ac is positive then the roots of the equation are
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Real
Imaginary
Positive
Negative
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Question # 3
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Question # 4
An A.P. consists of n(odd terms) and its middle term is m. then the sum of the A.P. is
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2 mn
1/2 mn
mn
mn
2
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Question # 5
If n is any positive integer then 4
n
>3
n
+ 4 is true for all
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Question # 6
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Question # 7
f(x) = C is
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identity function
constant function
linear function
quadratic function
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Question # 8
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7
5
6
None of these
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Question # 9
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Question # 10
If x is an image of y under the function f. This can be written as
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y = f(x)
f(x) = 0
x = f(y)
f(y) =0
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Question # 11
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0
1
2
4
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Question # 12
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Question # 13
In how many ways can 5 persons be seated at a round table
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5!
4!
3!
120
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Question # 14
(ABC)' =
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CBA'
CBA
C'B'A
C'B'A'
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Question # 15
tan270° =__________;
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0
1
-1
Undefined
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Question # 16
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Question # 17
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Question # 18
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(a + b)c = a . c + bc
a + b = b + a
(a + b) + c = a + (b + c)
a(b+ c) = ab + ac
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Question # 19
The multiplicative inverse of 1 is
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1
-1
0
Does not exist
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Question # 20
In-radius is denoted by
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r
η
r2
R
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Question # 21
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Question # 22
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0
-1
1/2
1
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Question # 23
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Question # 24
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I
14 I
0
None of these
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Question # 25
The principal value of sin
-1
[-√(√3) /2] is
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5π/3
-2π/3
-
π/3
π/3
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Question # 26
If f:A→B is an injective function and second elements of no two of its ordered pairs are equal, then f is called
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1-1 and onto
Bijective
1-1 and into
None of these
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Question # 27
The process of finding the unknown elements in triangle is called the
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solution of the triangle
Mean differnece
Engineering distance
angle of depressin
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Question # 28
Circumcentre of the triangle, whose vertices are (0, 0), (6, 0) and (0, 4) is
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(2, 0)
(3, 0)
(0, 3)
(3, 2)
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Question # 29
A box contains 10 red 30 white and 20 black marbles When a marble is drawn at random the probability that it is either red or white is
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1/6
1/3
1/2
2/3
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Question # 30
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Question # 31
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A rational number
An irrational number
An odd number
A prime number
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