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Online Tests

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Question # 1

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5 / 12

3 / 8

5 / 8

7 / 4

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Question # 2

If f(x) = (-x)²then f(-2) is

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0

2

-4

4

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Question # 3

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0

1

-1

None of these

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Question # 4

The multiplicative inverse of 0 is

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1

-1

0

Does not exist

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Question # 5

The 7th term of the A.P 7,11,15,is

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24

31

26

23

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Question # 6

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Question # 7

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Question # 8

If the circle x²+ y²+ 2gx +2fy + c = 0 passes through the origin then

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c = 0

c = -1

c = -2

c = 1

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Question # 9

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Question # 10

Domain of cos x is ______

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Question # 11

If sin x + sin²x = 1, then the value of Cos¹²x + 3cos¹⁰x + 3cos⁸x + cos⁶x + 2 cos⁴x + cos²x-2 is equal to

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0

1

2

sin²x

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Question # 12

The angle of depression of a point A on the ground from the top of the tower is 30𝜊,then the angle of elevation of the top of the tower at the point A is

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60𝜊

40𝜊

41𝜊

30𝜊

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Question # 13

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Question # 14

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2x

2

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Question # 15

The exponent of x in 10th term in the expansion of (a+x)n

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10

12

11

9

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Question # 16

Such fraction which can not be written in the form ofp⁄q where p,q and q≠ 0,such fractions are called.

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Fractinal numbers

Rational Numbers

Even Numbers

Whole Numbers

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Question # 17

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 # 18

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Question # 19

If n is a negative integer n! is

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1

0

Unique

Not defined

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Question # 20

A function from A to B is denoted by

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f: A→ B

f: B → A

f: → A :B

f → A→ B

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Question # 21

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Question # 22

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Question # 23

Which is not included in the domain of cos^-1x

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0

1

-1

2

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Question # 24

Group of none-singular matrices under multiplication is

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None-Abelian group

Semi group

Abelian group

None of these

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Question # 25

The distance between the points (1, 2) and (2, 1) is

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3

6

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Question # 26

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Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

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Question # 27

The set {-1, 1} is closed under the binary operation of

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Addition

Multiplication

Subtraction

Division

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Question # 28

The maximum value of 12 sinθ-9 sin²θis x

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3

4

5

None of these

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Question # 29

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none of these

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Question # 30

If f(x) = x²- x then f(2) is

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4

6

2

0

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Question # 31

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