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
Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The set {Z\{0}} is group w.r.t
Choose an answer
Addition
Multiplication
Division
Subtraction
Previous
Skip
Next
Question # 2
Choose an answer
Previous
Skip
Next
Question # 3
(a, b) + (-a, -b) =
Choose an answer
(0,0)
(a, b)
(-a, -b)
(1, 1)
Previous
Skip
Next
Question # 4
The roots of the equation ax
2
+ bx + c = 0 are complex/imaginary if
Choose an answer
b
2
- 4ac < 0
b
2
- 4ac = 0
b
2
- 4ac > 0
None of these
Previous
Skip
Next
Question # 5
The set {1, -1, i, -i}
Choose an answer
Form a group w.r.t addition
Form a group w.r.t multiplication
Does not form a group w.r.t multiplication
Not closed under multiplication
Previous
Skip
Next
Question # 6
Range of cos x is ______
Choose an answer
[-1, 1]
R
Negative real numbers
R - { x | - 1 < x < 1}
Previous
Skip
Next
Question # 7
If t is the parameter for one end of a focal chord of the parabola y
2
= 4ax, then its length is
Choose an answer
Previous
Skip
Next
Question # 8
Choose an answer
Previous
Skip
Next
Question # 9
Choose an answer
Previous
Skip
Next
Question # 10
Domain of sec x is ______
Choose an answer
Previous
Skip
Next
Question # 11
sin(a-90°)=______;
Choose an answer
sina
cosa
-sinθ
-cosa
Previous
Skip
Next
Question # 12
Choose an answer
Previous
Skip
Next
Question # 13
The exact value of cos
-1
(-1) + cos
-1
(1) =
Choose an answer
π
-π
π/2
π/3
Previous
Skip
Next
Question # 14
The square matrix A is skew-symmetric when At =
Choose an answer
-B
-C
-A
-D
Previous
Skip
Next
Question # 15
Choose an answer
2C
C
3
1
0
Previous
Skip
Next
Question # 16
The function f(x) =|x| is a/an_______function
Choose an answer
Even
Odd
Both even as well as odd
Neither even nor odd
Previous
Skip
Next
Question # 17
The sum of the roots of the equation x2 -6x +2 = 0 is
Choose an answer
-6
2
-2
6
Previous
Skip
Next
Question # 18
Total number of subsets that can be formed out of the set {a,b,c} is
Choose an answer
1
4
8
12
Previous
Skip
Next
Question # 19
If a +b +c =0 then which of the following is true
Choose an answer
a =b =c =0
a,b =b,c =c,a
a xb=b xc =c xa
None
Previous
Skip
Next
Question # 20
Choose an answer
Previous
Skip
Next
Question # 21
Choose an answer
8
4
64
Previous
Skip
Next
Question # 22
Inequalities have ______ symbol
Choose an answer
2
3
4
1
Previous
Skip
Next
Question # 23
Choose an answer
Previous
Skip
Next
Question # 24
Choose an answer
Previous
Skip
Next
Question # 25
Choose an answer
2
7
8
12
Previous
Skip
Next
Question # 26
Choose an answer
Previous
Skip
Next
Question # 27
Choose an answer
none of these
Previous
Skip
Next
Question # 28
The conic ax2+2hxy+by2+2gx+2fy+c= 0 never represent a circle if
Choose an answer
a≠ b,h≠0
a=b
h≠0
h=0
Previous
Skip
Next
Question # 29
Choose an answer
3, -3, 11
3, 3, 11
-3, 3, -11
-3, -3, 11
Previous
Skip
Next
Question # 30
If a tangent line touches the function y = f (x) in more than one point then y = f (x) is
Choose an answer
Periodic
Surjective
Bijective
Injective
Previous
Skip
Next
Question # 31
Choose an answer
Previous
Skip
Next
Back
