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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
The line through the centre and perpendicular to the transverse axis is called the
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Major axis
Minor axis
Focal axis
Conjugate axis
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Question # 3
The roots of the equation 2
2x
- 10.2
x
+ 16 = 0 are
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2, 8
1, 3
1, 8
2, 3
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Question # 4
The set of all positive even integers is
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Not a group
A group w.r.t subtraction
A group w.r.t division
A group w.r.t multiplication
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Question # 5
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Question # 6
The middle term of (x-y)
8
is
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25 x
4
y
4
70 x
4
y
4
120 x
4
y
4
97x
4
y
4
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Question # 7
In (x + iy) x is the known as
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Imaginary part of complex number
Real part of complex number
Complex number
None of above
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Question # 8
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Question # 9
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a
2
b
2
c
2
4a
2
b
2
c
2
4abc
None
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Question # 10
The inclination of a line parallel to y-axis is
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Question # 11
A prime number can be a factor of a square only if it occurs in the square at least
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Once
Thirce
Twice
None of these
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Question # 12
Inverse of the function y-10x is
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y=logx
y=lnx
x=10y
x=10y
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Question # 13
The number of x-intercepts of y= sin x in his period
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0
1
2
3
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Question # 14
{1, 2, 3} is _____
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an infinite set
A finite set
A singleton set
Universal set
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Question # 15
A number A is said to be the A.M between the two numbers a and b if a, A, b are in
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A.M
A.P
G.P
G.M
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Question # 16
The multiplicative inverse of x such that x = 0 is
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-x
Does not exist
1/x
±1
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Question # 17
The mid point of the line joining the points P(x
1
, y
1
) and Q(x
2
, y
2
) is
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Question # 18
Z is the set of integers, (z, *) is a group with a * b = a + b + 1, a, b
∈
G. then inverse of a is
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-a
a + 1
-2 -a
None of these
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Question # 19
The number of values of x in the interval [0, 5
π
] satisfying the equation 3 sin
2
x - 7 sinx + 2 = 0 is
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0
5
6
10
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Question # 20
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Question # 21
202.04 is an example of
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Recurring decimals
Non-recurring decimals
Terminating decimals
None of above
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Question # 22
A square matrix A = [aij] is lower triangular matrix when
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aij = 0 for all i<j
bij = 0
cij = 0
dij = 0
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Question # 23
(2 + w) (2 + w
2
) = ______
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1
2
3
0
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Question # 24
The additive identity of real number is
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1
2
1/2
0
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Question # 25
Which of the following integrals can be evaluated
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Question # 26
The sum of all positive integral multiple of 5 less than 100 is
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950
760
1230
875
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Question # 27
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Question # 28
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Question # 29
(x + 2)
2
= x
2
+ 4x + 4 is
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A linear equation
A cubic equation
A quadratic equation
None
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Question # 30
If f(x) = (-x)
2
then f(-2) is
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0
2
-4
4
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Question # 31
If P is a whole number greater than 1, which has only P and I are factors. Then P is called
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Wholw number
Prime number
Even number
Odd number
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