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Online Tests

ECAT Mathematics Online Test MCQs With Answers

Question # 1

If the points (a,2b):(c,a+b):(2c-a,h) lie on the same line then

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h=2a

h=a+b

h=ab

h=ac

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Question # 2

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Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

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Question # 3

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Question # 4

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

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Question # 5

Q∪ Q' =

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Q

Q'

N

R

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Question # 6

If we have a statement "if p then q" then q is called

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Conclusion

Implication

Unknown

Hypothesis

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Question # 7

The point which divides the line joining the points (2, 4, 5) and (3, 5, -4) in the ratio -2 : 3 lines on

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ZOX plane

XOY plane

YOZ plane

None of these

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Question # 8

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Question # 9

The solution set of the equation 4 cos²x - 3 + 0 is

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none of these

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Question # 10

In a country 55% of the male population has houses in cities while 30% have houses both in cities and in villages find the percentage of the population that has houses only in villages

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45

30

25

50

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Question # 11

If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

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Question # 12

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Question # 13

i³ =

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-1

i

-i

1

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Question # 14

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Question # 15

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Question # 16

If sin A = cos A, 0°<A<90° then A is equal to

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1

1/2

0

None of these

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Question # 17

The line through the focus and perpendicular to the directrix is called ______ of the parabola

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axis

focal chord

tangent

latus rectum

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Question # 18

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Question # 19

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Question # 20

5x³+ 3x - is a ______

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Polynomial of degree 3

Polynomial of degree 2

Polynomial of degree 1

Polynomial of degree 0

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Question # 21

Domain of sin x is ______

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Question # 22

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Question # 23

The constant distance of all points of the circle from its centre is called the

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Radius of the circle

Secant of the circle

Chord of the circle

Diameter of the circle

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Question # 24

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2s²

2s³

s³

3s³

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Question # 25

Which of the following is the definition of singleton

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The objects in a set

A set having no element

A set having no subset

None of these

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Question # 26

22.5°=______

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Question # 27

If f(x) = x²then f(2) is

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-2

2

4

-4

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Question # 28

The line through the centre and perpendicular to the transverse axis is called the

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Major axis

Minor axis

Focal axis

Conjugate axis

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Question # 29

If A(a,b) lies on 3x +2y =13 and point B(b,a) lies on x-y =5 then equation of AB is

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x- y= 5

x+ y+ =5

x+ y= -5

5x +5y =21

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Question # 30

∫x sin xdx is equal to:

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sin x/x + cos x

sin x - cos x/x

x cos x + sin x

- x cos x + sin x

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Question # 31

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