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Online Tests

ECAT Mathematics Online Test MCQs With Answers

Question # 1

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Question # 2

Roots of the equation x²- 7x + 10 = 0 are

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{2, 5}

{-2, 5}

{2,5}

{-2,-5}

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Question # 3

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Question # 4

A subset of set of complex number whose elements are of the form (a,0) is called

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Real number

Complex number

Rational number

Irrational number

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Question # 5

The period of sin x/2 = Cos x/3 is

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2p

12p

13p

7p

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Question # 6

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Question # 7

Area of the triangle whose vertices are (2,3),(0,1),(0,0) is

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6

2

4

1

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Question # 8

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a sec(ax + b) + c

- a sec(ax + b) + c

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Question # 9

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2x - 3x + c

x²- 3x + c

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Question # 10

If a and b are real numbers then a+b is also real number this law is called

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associative law of addition

closure law of addition

Distributive law of addition

Commutative law of addition

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Question # 11

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Question # 12

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Question # 13

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Question # 14

If P is a whole number greater than 1, which has only P and I are factors. Then P is called

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Wholw number

Prime number

Even number

Odd number

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Question # 15

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Question # 16

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Question # 17

The first three terms in the expansion of (1 + x)³are

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1 + 3x +6x²

1- 3x + 6x²\

-3 -3x -6x²

1- 3x -6x²

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Question # 18

The next term of the sequence 1, 2, 4, 7, 11, ..... is.

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15

16

17

18

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Question # 19

The 6th term of the sequence 7,9,12,16......is

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27

32

20

19

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Question # 20

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Question # 21

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Question # 22

The roots of the equation 2^2x- 10.2^x+ 16 = 0 are

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2, 8

1, 3

1, 8

2, 3

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Question # 23

The matrix A = [aij]mxn with m≠n is

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Rectangular

Symmetric

Square

None

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Question # 24

The line y =mx +1 is tangent to the parabola y2 =4x if

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m=1

m=2

m=3

m=4

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Question # 25

The range of the principle cos function is

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Question # 26

f(x) = 1 is

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identity function

constant function

linear function

quadratic function

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Question # 27

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Question # 28

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I quadrant

II quadrant

III quadrant

IV quadrant

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Question # 29

The roots of the equation x2 +6x-7=0,are

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1

2

1 and -7

-7

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Question # 30

64.A point (x, y, z) moves parallel to xy plane. Which of the three variables x, y, z remain fixed?

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z

x

y

x and y

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Question # 31

Which of the following is a quadrantal angle

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30°

45°

60°

90°

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