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Online Tests

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Question # 1

Number of lines passing through three non-collinear points is

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2

3

1

0

∞

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Question # 2

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2

4

6

8

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Question # 3

ᵨ is a

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variable

Positive constant

Positive variable

Directrix

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Question # 4

If the equation x2+2x-3=0 and x2+3x-k=0 have a common root then the non - zero value of k is

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1

3

2

4

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Question # 5

The product of complex numbers (a,b) and (c,d) is

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(ac, bd)

(ac-bd, ad+bc)

(ab,cd)

(ac+bd,ad-bc)

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Question # 6

x =r cosθ,y= sinθ are the parametric equations of

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Circle

Ellipse

Parabola

Hyoerbola

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Question # 7

Period of cosec x is ______

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Question # 8

In the interval 0≤ x ≤ π, the sine is

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Not a function

Not defined

Infinity

Not one-to-one function

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Question # 9

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-1

0

2

1

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Question # 10

(a^-1)^-1=

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a^-1

a

-a

None of above

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Question # 11

The decimal fraction in which we have finite number of digits in its decimal part is called.

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recurring decimal fraction

Non terminating faction

Non recurring fraction

terminating decimal fraction

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Question # 12

The square of the distance between two points P(x₁, y₁) and Q(x₂, y₂) is

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Question # 13

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Question # 14

tan^-1x > cot^-1x holds for

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x > 1

x < 1

x = 1

All values of x

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Question # 15

The multiplicative inverse of -1 in the set {1-,1} is

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1

-1

±1

0

Does not exist

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Question # 16

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Question # 17

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Question # 18

If a > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

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Question # 19

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Question # 20

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Question # 21

Which is the proper rational function

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Question # 22

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Question # 23

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Question # 24

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

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Question # 25

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Question # 26

-2, 1, 4, 7,.... is ______

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Harmonic sequence

Arithmetic sequence

Geometric sequence

Arithmetic series

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Question # 27

Fundamental law is

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Question # 28

The function f{(x, y) | y = ax²+ bx + c} is

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One-one function

Constant function

Onto function

Quadratic function

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Question # 29

Domain of cotθis

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Question # 30

The sum of the cubes of three consecutive natural number is divisible by

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9

6

5

10

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Question # 31

cotθ= sin 2θifθ=

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