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ECAT Mathematics Online Test MCQs With Answers
Question # 1
The distance of point P(x,y) from focus in a parabola
y
2
=4ax, is:
Choose an answer
2a
a
x + a
x-a
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Question # 2
The mid point of the line segment joining the points A(-8,3) and B(2,-1) is
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(-3,1)
(-6,2)
(5,2)
(-5,2)
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Question # 3
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Question # 4
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(g,f)
(-g,f)
(g,-f)
(-g,-f)
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Question # 5
A polynomial P(x)has a factor (x-a)if P(a) =
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a
x
1
0
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Question # 6
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2x - 3x + c
x
2
- 3x + c
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Question # 7
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3
6
0
None of these
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Question # 8
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5x
4 + c
1/6 x
6
+ c
5x
2
+ c
1/5 x
6
+ c
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Question # 9
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Question # 10
x
2
+ x - 5 = 0 is
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A polynomial
An inequality
An identity
None
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Question # 11
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Question # 12
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1
-1
0
None of these
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Question # 13
The towers each 120 meters high are 800 meters apart. The measure of the angle of elevation from the base of one tower to the top of the other is
Choose an answer
12
𝜊
9
𝜊
7
𝜊
-120
𝜊
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Question # 14
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n
C
r
n+1
C
r+1
n
C
r+1
None
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Question # 15
Range of sec x is ______
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[-1, 1]
R
Negative real numbers
R = {x | -1 < x < 1}
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Question # 16
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0
-1
1
2
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Question # 17
The probability to get an odd number in a dice thrown once is
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1/2
1/6
1/3
2
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Question # 18
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Question # 19
cos 6θ + cos 2 θ =_______;
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-2sin 4θ sin 2θ
2cos4θ cos2θ
2sin4θ cos2θ
2cos4θ sin2θ
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Question # 20
The transport of a rectangular matrix is a
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Square matrix
Rectangular matrix
Row matrix
Column matrix
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Question # 21
sin 2
α
=
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Question # 22
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Question # 23
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Question # 24
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- cot 4x + c
cot 4x + c
tan 4x + c
- tan 4x + c
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Question # 25
Which of the following is skew symmetric matrix
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Question # 26
If a is any real number and a = a is called
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symmetric property
Trichotomy Properties
Transitive Property
Reflexive Properties
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Question # 27
The sum if 1,3,5,7,9........ up to 20 terms is
Choose an answer
400
472
563
264
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Question # 28
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0
-1
1
-2
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Question # 29
5 unbiased coins coins are tossed simultaneously. The probability of getting at least one head is
Choose an answer
1 / 32
31 / 32
1 / 16
None of these
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Question # 30
How many 3 digit numbers can be formed by using each one of the digit 2, 3, 5, 7, 9 only once?
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15
24
60
120
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Question # 31
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none of these
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