More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
0
1
1/2
Previous
Skip
Next
Question # 2
Two circles are said to be concentric if they have
Choose an answer
same radius
same chord
same centre
same diameter
Previous
Skip
Next
Question # 3
In (x +iy) y is called as
Choose an answer
Imaginary part
Complex number
Real part
None of above
Previous
Skip
Next
Question # 4
Choose an answer
Previous
Skip
Next
Question # 5
If the cutting plane is slightly tilted and cuts only one nappe of the cone, the intersection is
Choose an answer
an ellipse
a hyperbola
a circle
a parabola
Previous
Skip
Next
Question # 6
Find the sum of the infinite geometric series 2 + 1 + 0.5 + ....
Choose an answer
3.5
3
4
None of these
Previous
Skip
Next
Question # 7
If the lines 2x-3y-1=0,3x-y-5=0 and 3x+py+8=0 meet at a unique point then
Choose an answer
p = -14
p = -1
p =0
p=12
Previous
Skip
Next
Question # 8
To each element of a group there corresponds ............. inverse element
Choose an answer
Two
One
No
Three
Previous
Skip
Next
Question # 9
A square matrix A for which A
t
= A is called a
Choose an answer
Column matrix
Symmetric matrix
Skew-symmetric matrix
Row matrix
Previous
Skip
Next
Question # 10
Choose an answer
Previous
Skip
Next
Question # 11
Choose an answer
Previous
Skip
Next
Question # 12
Choose an answer
Previous
Skip
Next
Question # 13
(√3+√5)+√7 = √3 +(√5 +√7) property used in above is
Choose an answer
Commutative property of addition
Closure property of addition
Additive inverse
Associative property w.r.t to adition
Previous
Skip
Next
Question # 14
The range of y = cot x = ______
Choose an answer
-
∞
> y > +
∞
-
∞
> x > +
∞
-
∞ <
y < +
∞
None of above
Previous
Skip
Next
Question # 15
x = _________ is in the solution of 2x + 3 < 0
Choose an answer
0
2
-1
-2
Previous
Skip
Next
Question # 16
Choose an answer
2 x 2
2 x 3
3 x 2
3 x 3
Previous
Skip
Next
Question # 17
cos(a +β)-cos(a-β) = _______;
Choose an answer
2cosa cosβ
2sina cosβ
-25 in a cosβ
-2sin a sinβ
Previous
Skip
Next
Question # 18
w
28
+ w
38
= ______
Choose an answer
0
1
w
-1
Previous
Skip
Next
Question # 19
cot(3π/2 -θ)=______;
Choose an answer
tanθ
cotθ
-tanθ
-cotθ
Previous
Skip
Next
Question # 20
The exact value of cos-1 (0) is
Choose an answer
π/2
-π/2
3π
π-π/6
Previous
Skip
Next
Question # 21
The area enclosed between the graph y = x
2
-4x and the x- axis is:
Choose an answer
20/3
41/3
32/3
25/3
Previous
Skip
Next
Question # 22
If distance of (a,b) from origin is 5 then
Choose an answer
a
2
+ b
2
=5
a = 5
b = 5
Previous
Skip
Next
Question # 23
Choose an answer
l
2
+ m
2
+ n
2
= 0
l
2
- m
2
+ n
2
= 1
l
2
+ m
2
+ n
2
= 1
l
2
+ m
2
- n
2
= 0
Previous
Skip
Next
Question # 24
The minimum value of the quadratic function f(x) = x2 +6x -2, is
Choose an answer
11
6
-11
13
Previous
Skip
Next
Question # 25
The line through the centre and perpendicular to the transverse axis is called the
Choose an answer
Major axis
Minor axis
Focal axis
Conjugate axis
Previous
Skip
Next
Question # 26
In set builder notation the set {0,1,2,........100} can be written as
Choose an answer
{x / xε B ∧ x ≤ 100}
{x / x ∈ W ∧ x < 101}
{x / x ∈ Z ∧ x < 101}
The set of first 100 whole numbers
Previous
Skip
Next
Question # 27
Choose an answer
3
1
4
Previous
Skip
Next
Question # 28
∫x sin xdx is equal to:
Choose an answer
sin x/x + cos x
sin x - cos x/x
x cos x + sin x
- x cos x + sin x
Previous
Skip
Next
Question # 29
Choose an answer
(x, y)
(kx, y)
(x, ky)
(kx, ky)
Previous
Skip
Next
Question # 30
f(x) = ax + b will be an identity function if
Choose an answer
a = 1 , b = 1
a = 1 , b = 0
Previous
Skip
Next
Question # 31
i
9
=
Choose an answer
i
2
-1
1
i
Previous
Skip
Next
Back