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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
The angle of elevation of a tower from a point A due south of it is x and from a point B due east of A is y. If AB = 1, then the height h of the tower is given by
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Question # 3
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From an empty set
1
2
>2
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Question # 4
What is the period of cos 6x =?
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π/2
π/3
π/4
π
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Question # 5
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Polynomial of degree 0
Polynomial of degree 1
Polynomial of degree 2
Polynomial of degree n
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Question # 6
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Question # 7
Name the property used in 4 + 9 = 9 + 4
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Associative property of addition
Commutative property of addition
Distributive property
Additive identity
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Question # 8
120° degrees are equal to how many radians?
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Question # 9
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Question # 10
If A is an event then which of the following is true
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P(A)<0
0≥P(A)≤1
P(A)>0
None
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Question # 11
Equation of the chord of contact to the tangents drawn from (-3,4) to the circle x2 + y2 = 21
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-3x + 4y =21
4x - 3x = 0
-3x + 4y = 25
None of these
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Question # 12
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Question # 13
The last term of (1+2x)-2
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(-1)-2 (2x)-2
(-1)-4(-2x)-2
(-1)-3(2x)-3
Does not exist
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Question # 14
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Question # 15
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2
0
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Question # 16
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Question # 17
A Series which does not coverage to a Unique sum is called
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Harmonic Series
Oscillatroy Series
Arithmetic Series
None of these
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Question # 18
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Question # 19
Cos-1(x)=
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cos x
x
tan-1(-x)
Sec-1 (1/x)
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Question # 20
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2
-1
8
not defined
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Question # 21
Tan 3x tan 2x-tan x is equal to
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Tan x tan 2x tan 3x
-tan x tan 2x tan 3x
Tan x tan 2x - tan - tan x tan 3x - tan 2x tan 3x
None of these
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Question # 22
Which of the following is an identity matrix?
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none of these
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Question # 23
If #n = (n-5)2 + 5, then find #3 x #4.
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54
12
4
9
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Question # 24
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Question # 25
An infinite sequence has no
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nth term
Last term
Sum
None of these
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Question # 26
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Question # 27
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Question # 28
A matrix with a single column is called
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Column matrix
Row matrix
Identity matrix
Null matrix
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Question # 29
The middle term in the expansion of (a +x)
12
is
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7th
8th
9th
6th
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Question # 30
For two events A and B if P(A) = P (A/B) = 1/4 and P(B/A) = 1/2, then
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A is sub-event of B
A and B are mutually exclusive
A and B are independent and P(A/B) = 3/4
None of these
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Question # 31
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X = 100 sin
θ
X = 10 sin
θ
X = 100 sec
θ
None of these
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