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
x
2
+ x - 6 = 0 is
Choose an answer
An equation
An identity
A polynomial
None of these
Previous
Skip
Next
Question # 2
By expressing sin 125° in terms of trigonometrical ratios, answer will be
Choose an answer
sin 65° = 0.9128
sin 55° = 0.8192
sin 70° = 0.5384
sin 72° = 0.1982
Previous
Skip
Next
Question # 3
Choose an answer
Previous
Skip
Next
Question # 4
cot
θ
= sin 2
θ
if
θ
=
Choose an answer
Previous
Skip
Next
Question # 5
Choose an answer
Previous
Skip
Next
Question # 6
If P is a proposition then its negative is denoted by
Choose an answer
Previous
Skip
Next
Question # 7
Which of the following is a quadrantal angle
Choose an answer
100°
200°
170°
270°
Previous
Skip
Next
Question # 8
sin5θ+sin3θ = _______;
Choose an answer
2sin 4θ cosθ
2cos 4θ sinθ
2cos 4θ cosθ
-2sin 4θ sinθ
Previous
Skip
Next
Question # 9
cos2a=______;
Choose an answer
cos2 a-sin2 a
2cos2 a-1
1-2 sin2 a
All of these
Previous
Skip
Next
Question # 10
If the elevation of the sun is 30°, then the length of the shadow cast by a tower of 150 ft height is
Choose an answer
Previous
Skip
Next
Question # 11
The middle term of the expansion (1 + 2x)
6
is ______
Choose an answer
1st term
4th term
2nd term
5th term
Previous
Skip
Next
Question # 12
Choose an answer
a sec(ax + b) + c
- a sec(ax + b) + c
Previous
Skip
Next
Question # 13
If distance of (a,b) from x-axis is 2 then
Choose an answer
a = 2
b = 2
a = b
b = 4
Previous
Skip
Next
Question # 14
∀a,b ε R, ab = be is a
Choose an answer
Commutative law of multiplication
Closure law of multiplication
Associative law of multiplication
Multiplicative identity
Previous
Skip
Next
Question # 15
If the radius of a circle is increased by 1 then area of circle will be
Choose an answer
π r2
π(r+1)2
π r2 +1
2π (r+1)
Previous
Skip
Next
Question # 16
If A(a,b) lies on 3x +2y =13 and point B(b,a) lies on x-y =5 then equation of AB is
Choose an answer
x- y= 5
x+ y+ =5
x+ y= -5
5x +5y =21
Previous
Skip
Next
Question # 17
Choose an answer
Previous
Skip
Next
Question # 18
Choose an answer
x
39
40x
39
40x
41
none of these
Previous
Skip
Next
Question # 19
Choose an answer
a-b=ab
ab=a
a+b=ab
Previous
Skip
Next
Question # 20
sin (
α
+
β
) + sin (
α
-
β
)
Choose an answer
2 sin
α
cos
β
sin (2
α
β)
sin
α
cos
α
None of these
Previous
Skip
Next
Question # 21
Choose an answer
0
1
Previous
Skip
Next
Question # 22
Choose an answer
Previous
Skip
Next
Question # 23
If A is skew Hermitian Matrix then which of the following is not skew Hermitian matrix
Choose an answer
A2
A5
A3
A7
Previous
Skip
Next
Question # 24
Choose an answer
R
2R
r
2r
Previous
Skip
Next
Question # 25
Choose an answer
Previous
Skip
Next
Question # 26
Φ
set is the ______ of all sets?
Choose an answer
Subset
Union
Universal
Intersection
Previous
Skip
Next
Question # 27
(0.90)
1/2
is equal to
Choose an answer
0.99
0.90
0.80
0.88
Previous
Skip
Next
Question # 28
A function which is to be maximized or minimized is called an
Choose an answer
Explicit function
Implicit function
Objective function
None
Previous
Skip
Next
Question # 29
If sin x + sin
2
x = 1, then the value of Cos
12
x + 3cos
10
x + 3cos
8
x + cos
6
x + 2 cos
4
x + cos
2
x-2 is equal to
Choose an answer
0
1
2
sin
2
x
Previous
Skip
Next
Question # 30
The sixth term of the sequence 1,3,12,60....is
Choose an answer
1500
72
2160
2520
Previous
Skip
Next
Question # 31
A function F(x) is called even if
Choose an answer
F(x) = F (-x)
F(x) = F(-x)
F(x) = -F(x)
2F(x) = 0
Previous
Skip
Next
Question # 32
If ax + bx + c =0 is satisfied by every value of x,then
Choose an answer
b = 0,c = 0
c = 0
b = 0
a = b = c = 0
Previous
Skip
Next
Question # 33
Choose an answer
Rule of quotient of fraction
Golden rule of fraction
Rule for product of fraction
Principle for equality of fraction
Previous
Skip
Next
Question # 34
The coefficient of xn in the expansion of (1-2x)-1 is
Choose an answer
(-1)n2n
2n
(-1)(n+1)xr
(n+1)2n
Previous
Skip
Next
Back