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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Principle of equality of Fractions
Rule for product of fraction
Golden rule of fraction
Rule of quotient of Fraction
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Question # 2
The radius of the circle x
2
+ y
2
- 6 x + 4 y +13 = 0 , is
Choose an answer
1
2
0
None of these
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Question # 3
The additive inverse of a matrix A is
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None of these
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Question # 4
If G is a G.M between a and b then a,G,b are in
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A.P
H.P
G.P
None of these
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Question # 5
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(2x+a+b+c)
(a+b+c)
(a+b+c+x)
0
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Question # 6
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-2x
3
2x
-3
-2x
-3
2x
3
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Question # 7
What is the circular measure of the angle between the hands of a watch at 4 O'clock
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Question # 8
Domain of cosec
θ
is
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Question # 9
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Improper rational fraction
Proper rational fraction
Polynomial
Equation
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Question # 10
tan(cot
-1
x) is equal to
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cot(tan
-1
x)
tan x
secon x
None of these
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Question # 11
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Question # 12
The measure of the angle subtended at the centre of the circle by an arc, whose length is equal to the radius of the circle is
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1
0
1'
1"
1 rad
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Question # 13
∫x/Sin
2
x dx is equal to:
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x cot x + ln|sinx |
-x cot x - ln|sinx |
x cot x - ln|sinx |
x. tan x- ln|secx |
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Question # 14
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Question # 15
For any positive integer n
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ABn = Bn A ⇔ AB = BA
ABn = Bn A⇔ A,B are square matrices and AB = BA
ABn = BnA⇔ A + B
ABn = BnA ⇔ A and B are square matries
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Question # 16
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Question # 17
Arithmetic mean between a and b is
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Question # 18
The domain of the principle cos function is
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Question # 19
If S = {3,6,9,12.......}, then
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S = Four multiples of 3
S = Set of even numbers
S = Set of prime numbers
S = All multiples of 3
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Question # 20
The point of contact of the circles x
2
+ y
2
- 6x -6y+10 = 0 and x
2
+ y
2
=2 is
Choose an answer
(-3 ,2)
(1 , 3)
( -2 , -1)
None of these
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Question # 21
Power set of difference set N-W is
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Empty set
Infinite set
Singleton set
{0,∅}
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Question # 22
The foot of perpendicular from (
α
,
β
,
γ
) only y-axis is
Choose an answer
(
α
, 0, 0)
(0,
β
, 0)
(0, 0,
γ
)
(0, 0, 0)
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Question # 23
A function from X to X is denoted as
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f : X to Y
f : Y to Y
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Question # 24
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Question # 25
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Question # 26
The distance between the points (2,3) and (3,2) is
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5
2
10
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Question # 27
The exact degree value of the function sin-1( -√3/2) is
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70
ο
50
ο
90
ο
60
ο
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Question # 28
Domain of cot x is ______
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Question # 29
If the circumference of a circle is divided into 360 congruent parts, the angle subtended by one part at the centre of the circle is
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1
0
1'
1"
1 rad
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Question # 30
The period of|sin2x| is
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π/2
-π/2
π
π/3
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Question # 31
The number of divisors of 1029, 1547 and 122 are in
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A.P.
G.P.
H.P.
None of these
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